{"title":"E46 M3","description":"\u003cp\u003eS54 upgrades for the E46 M3: airboxes, intakes and engine bay parts.\u003c\/p\u003e","products":[{"product_id":"karbonius-m3-csl-s54-carbon-airbox-heat-shield-kit","title":"Karbonius M3 CSL (S54) Carbon Airbox Heat Shield Kit","description":"\u003cp\u003eThe Karbonius M3 CSL (S54) Carbon Airbox Heat Shield Kit is purpose-designed to reduce intake air temperature inside the S54 CSL-style airbox, improving engine combustion efficiency and protecting the heat-sensitive carbon airbox from sustained engine bay temperatures. This is the definitive thermal management accessory for any S54 build running a Karbonius CSL Carbon Airbox, Race Carbon Airbox, or the BMW OEM CSL airbox.\u003c\/p\u003e\n\n\u003cp\u003eThe kit comprises 14 precision CNC-cut pieces of self-adhesive aluminized fiberglass that together cover the full base of the airbox with zero gaps — all pieces overlap to ensure complete coverage. Installation requires no tools and is straightforward for any enthusiast. The self-adhesive backing withstands direct temperatures of 250°C, while the aluminized fiberglass substrate withstands temperatures up to 600°C. Every piece is manufactured at Karbonius' facility in Spain under ISO 9001:2015 quality management standards and is individually numbered for authenticity.\u003c\/p\u003e\n\n\u003cp\u003eAt just 150 grams, this kit adds virtually no weight while delivering meaningful protection against heat soak in the intake path.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e14x precision CNC-cut aluminized fiberglass heat shield pieces (self-adhesive)\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 150 g\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminized fiberglass, self-adhesive backing\u003c\/li\u003e\n\u003cli\u003eAdhesive temperature rating: up to 250°C direct\u003c\/li\u003e\n\u003cli\u003eFiberglass temperature rating: up to 600°C\u003c\/li\u003e\n\u003cli\u003e14 CNC-cut pieces — full coverage with overlapping fit\u003c\/li\u003e\n\u003cli\u003eNo tools required for installation\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003eManufactured under ISO 9001:2015 quality management standards\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 (S54) — with Karbonius or OEM CSL airbox\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3M (E36\/7, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-airbox\"\u003eKarbonius E46 M3 CSL (S54) Carbon Airbox\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-airbox-race\"\u003eKarbonius E46 M3 CSL (S54) Carbon Airbox — Race\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-snorkel\"\u003eKarbonius E46 M3 CSL (S54) Carbon Snorkel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain under UNE-EN ISO 9001:2015 quality standards\u003c\/li\u003e\n\u003cli\u003eCompatible with Karbonius CSL Carbon Airbox, Karbonius Race Carbon Airbox, and BMW OEM CSL airbox\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"Default Title","offer_id":46508755157226,"sku":"AC48-S54","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/5609\/4442\/files\/52990187875_972df17861_b.jpg?v=1794102020"},{"product_id":"karbonius-e46-m3-s54-carbon-engine-cover-vented","title":"Karbonius E46 M3 S54 Carbon Engine Cover - Vented","description":"\u003cp\u003eThe Karbonius E46 M3 S54 Carbon Engine Cover - Vented is a functional upgrade over the factory plastic engine cover (OEM part number 11127838754), incorporating strategically placed ventilation openings to facilitate hot air removal from the upper engine bay for optimal coil pack cooling. Weighing under 700 grams, it retains all original mounting points for an installation that takes just minutes.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from 100% prepreg carbon fiber and cured in mold and autoclave at Karbonius' facility in Spain under ISO 9001 quality management standards, the cover offers the finest finish available for this application. The high-gloss varnish accentuates the carbon weave and provides UV protection for long-term durability, while the vented design adds a purposeful, motorsport-inspired aesthetic to the S54 engine bay.\u003c\/p\u003e\n\n\u003cp\u003eEach piece is individually numbered to guarantee authenticity and origin.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVented carbon fiber engine cover\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM plastic cover, part number 11127838754\u003c\/li\u003e\n\u003cli\u003eVented design facilitates hot air evacuation for optimal coil pack cooling\u003c\/li\u003e\n\u003cli\u003eWeight: under 700 g\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eCured in mold and autoclave for superior thermal and structural stability\u003c\/li\u003e\n\u003cli\u003eHigh-gloss varnish finish with UV protection\u003c\/li\u003e\n\u003cli\u003eUses all OEM mounting points for easy installation\u003c\/li\u003e\n\u003cli\u003eOptional OEM \"\/\/\/M\" emblem available (sold separately)\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 \/ M3 CSL (S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M with S54B32 engine only\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM \"M\" emblem is \u003cstrong\u003enot included\u003c\/strong\u003e — transfer from your existing cover or purchase separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-concept-s54-engine-cover\"\u003eKarbonius E46 M3 CSL Concept S54 Engine Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-s54-carbon-airbox-oem-style\"\u003eKarbonius E46 M3 (S54) Carbon Airbox - OEM Style\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-carbon-cabin-filter-cover\"\u003eKarbonius E46 M3 Carbon Cabin Filter Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain by Karbonius Composites under ISO 9001 standards\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"2x2 Twill Weave \/ Gloss","offer_id":46508755255530,"sku":"E46TM02-CF-2","price":899.0,"currency_code":"USD","in_stock":true},{"title":"2x2 Twill Weave \/ Matte","offer_id":46508755288298,"sku":"E46TM02-CFM-2","price":969.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Gloss","offer_id":46508755321066,"sku":"E46TM02-CF-1","price":989.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Matte","offer_id":46508755353834,"sku":"E46TM02-CFM-1","price":1059.0,"currency_code":"USD","in_stock":true}]},{"product_id":"karbonius-e46-m3-s54-carbon-engine-cover-oem-style","title":"Karbonius E46 M3 S54 Carbon Engine Cover - OEM Style","description":"\u003cp\u003eThe Karbonius E46 M3 S54 Carbon Engine Cover - OEM Style replaces the factory plastic engine cover (OEM part number 11127838754) with a direct-fit carbon fiber reproduction that instantly elevates the appearance of any S54-powered engine bay. Weighing just 700 grams, the cover retains every OEM mounting point for a straightforward installation while delivering superior materials, finish, and thermal stability.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from 100% prepreg carbon fiber and cured in molds in an autoclave at Karbonius' facility in Spain under ISO 9001 quality management standards, every cover is produced by qualified staff through a manual process. The high-gloss varnish finish accentuates the carbon fiber weave and provides UV protection for long-term durability.\u003c\/p\u003e\n\n\u003cp\u003eEach piece is individually numbered to guarantee origin and authenticity — a hallmark of Karbonius composites.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-style carbon fiber engine cover\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM plastic cover, part number 11127838754\u003c\/li\u003e\n\u003cli\u003eLightweight design (approx. 700 g)\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eAutoclave-cured in molds for superior thermal and structural stability\u003c\/li\u003e\n\u003cli\u003eHigh-gloss varnish finish with UV protection\u003c\/li\u003e\n\u003cli\u003eUses all OEM mounting points for easy installation\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eOptional OEM \"\/\/\/M\" emblem available (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 \/ M3 CSL (S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M with S54B32 engine only\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDoes not include the factory \"M\" emblem — transfer from your existing cover or purchase separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-airbox\"\u003eKarbonius E46 M3 CSL (S54) Carbon Airbox\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-s54-carbon-engine-cover-vented\"\u003eKarbonius E46 M3 S54 Carbon Engine Cover - Vented\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-carbon-cabin-filter-cover\"\u003eKarbonius E46 M3 Carbon Cabin Filter Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain by Karbonius Composites under ISO 9001 standards\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"2x2 Twill Weave \/ Gloss","offer_id":46508755452138,"sku":"E46TM01-CF-2","price":779.0,"currency_code":"USD","in_stock":true},{"title":"2x2 Twill Weave \/ Matte","offer_id":46508755484906,"sku":"E46TM01-CFM-2","price":849.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Gloss","offer_id":46508755517674,"sku":"E46TM01-CF-1","price":869.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Matte","offer_id":46508755550442,"sku":"E46TM01-CFM-1","price":939.0,"currency_code":"USD","in_stock":true}]},{"product_id":"karbonius-e46-m3-s54-carbon-airbox-oem-style","title":"Karbonius E46 M3 (S54) Carbon Airbox - OEM Style","description":"\u003cp\u003eThe Karbonius E46 M3 (S54) Carbon Airbox - OEM Style is the ideal solution for enthusiasts who want the unmistakable CSL induction character without the complexity of a full CSL airbox conversion. Designed as a direct-fit replacement for the factory plastic airbox, it delivers a dramatic improvement in intake sound — measured at +12 dB over the OEM unit — while saving approximately 8 lbs compared to the original plastic assembly.\u003c\/p\u003e\n\u003cp\u003eUnlike the factory CSL airbox, which requires additional hardware, wiring, and software calibration, the Karbonius OEM Style airbox retains the standard intake elbow and MAF sensor, making it a straightforward, no-remap upgrade. Karbonius documented a +4 HP result in recent dyno testing versus the OEM plastic airbox; however, given the 2% margin of error inherent in dynamometer testing, Karbonius makes no significant power claim — simply no power loss, and a substantially improved intake experience.\u003c\/p\u003e\n\u003cp\u003eEach airbox is manufactured from 100% prepreg carbon fiber and autoclave-cured in Spain under ISO 9001 quality management standards. The high-gloss UV-protective varnish finish accentuates the carbon weave while providing long-term durability. Every piece is individually numbered to guarantee authenticity and origin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-style carbon fiber airbox\u003c\/li\u003e\n\u003cli\u003eCNC-machined anodized aluminum components\u003c\/li\u003e\n\u003cli\u003eStainless-steel hardware\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntake sound improvement: +12 dB vs. OEM plastic airbox\u003c\/li\u003e\n\u003cli\u003eApprox. 8 lb weight savings over OEM plastic airbox\u003c\/li\u003e\n\u003cli\u003eNo ECU remap required — uses standard intake elbow and MAF\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eAutoclave-cured for superior thermal and structural stability\u003c\/li\u003e\n\u003cli\u003eHigh-gloss UV-protective varnish finish\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003cli\u003e2005–2006 M3 models and Z4M require pre-2005 throttle body boots and a modified crankcase breather hose\u003c\/li\u003e\n\u003cli\u003eE46 M3 SMG package includes OEM M3 CSL SMG reservoir and bracket; OEM mounting location is driver's side strut tower\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 (S54)\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M Coupe \u0026amp; Roadster (2001–2002, S54B32)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequired Installation Components (Sold Separately)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor E46 M3 SMG models: Genuine BMW M3 CSL SMG reservoir and bracket\u003c\/li\u003e\n\u003cli\u003eFor 2005–2006 M3 and Z4M: Pre-2005 throttle body boots and modified crankcase breather hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eE46 M3 SMG models require the genuine CSL SMG reservoir and bracket for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-concept-s54-engine-cover\"\u003eKarbonius E46 M3 CSL Concept S54 Engine Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-s54-carbon-engine-cover-vented\"\u003eKarbonius E46 M3 S54 Carbon Engine Cover - Vented\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-carbon-cabin-filter-cover\"\u003eKarbonius E46 M3 Carbon Cabin Filter Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-3-series-carbon-strut-brace\"\u003eKarbonius E46 M3 \/ 3-Series Carbon Strut Brace\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain by Karbonius Composites under ISO 9001 standards\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003eIt is the customer's responsibility to check local laws to ensure legality when using this product on public roads and highways\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003eView emissions compliance notice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"Default Title","offer_id":46508755714282,"sku":"E46AD09-CF-2","price":1699.0,"currency_code":"USD","in_stock":true}]},{"product_id":"karbonius-e46-m3-csl-s54-carbon-airbox-race","title":"Karbonius E46 M3 CSL (S54) Carbon Airbox - Race","description":"\u003cp\u003eThe Karbonius E46 M3 CSL (S54) Carbon Airbox - Race is a track-focused evolution of the legendary CSL airbox, featuring an integrated snorkel that ducts cool air directly from the front of the car. The result is lower intake temperatures, improved airflow, and an even more dramatic induction note — all wrapped in a motorsport-grade carbon fiber package.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from 100% prepreg carbon fiber and autoclave-cured in Spain under strict ISO 9001 quality standards, the Race Airbox is produced by highly qualified staff through a manual process with exhaustive quality control at every stage. The finish is high-gloss with UV protection for a stunning appearance that holds up in any environment.\u003c\/p\u003e\n\n\u003cp\u003eBeyond measurable horsepower gains, the Race Airbox delivers sharper throttle response and that unmistakable S54 CSL induction roar — now with built-in cold-air ducting that eliminates the need for a separate snorkel.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber airbox with integrated snorkel\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum components\u003c\/li\u003e\n\u003cli\u003eStainless-steel hardware\u003c\/li\u003e\n\u003cli\u003eVentilation valve bracket\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated snorkel for cold-air ducting from the front of the vehicle\u003c\/li\u003e\n\u003cli\u003eAppreciable gain in power with proper tuning\u003c\/li\u003e\n\u003cli\u003eImproved throttle response and induction sound\u003c\/li\u003e\n\u003cli\u003eAerodynamic, reinforced design at all key points\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eAutoclave-cured for strength and finish quality\u003c\/li\u003e\n\u003cli\u003eHigh-gloss finish with UV protection\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 (S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M Coupe \u0026amp; Roadster (2001–2002, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstead of installing a shortened CSL-specific dipstick, IND recommends rotating the factory dipstick approximately 180 degrees to provide proper clearance with the airbox.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRequired Installation Components (Sold Separately)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/ind-e46-m3-csl-s54-carbon-airbox-installation-kit\"\u003eIND E46 M3 CSL S54 Carbon Airbox Installation Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL IAT Sensor\u003c\/li\u003e\n\u003cli\u003eAlpha-N MAF-to-IAT Conversion Harness\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL Air Shut-Off Valve\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL Crankcase Vent Hose\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/bmw-e46-m3-csl-oe-smg-fluid-reservoir-and-bracket\"\u003eOEM BMW M3 CSL SMG Reservoir \u0026amp; Bracket (SMG models only)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/bmw-e46-m3-csl-replacement-panel-air-filter\"\u003eBMW E46 M3 CSL Replacement Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-heat-shield-kit-for-csl-s54-carbon-airbox\"\u003eKarbonius M3 CSL (S54) Carbon Airbox Heat Shield Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain by Karbonius Composites under ISO 9001 standards\u003c\/li\u003e\n\u003cli\u003eIt is the customer's responsibility to check local laws to ensure legality when using this product on public roads and highways\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003eView emissions compliance notice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"2x2 Twill Weave \/ Gloss","offer_id":46508756107498,"sku":"E46AD03-CF-2","price":2249.0,"currency_code":"USD","in_stock":true},{"title":"2x2 Twill Weave \/ Matte","offer_id":46508756140266,"sku":"E46AD03-CFM-2","price":2349.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Gloss","offer_id":46508756173034,"sku":"E46AD03-CF-1","price":2369.0,"currency_code":"USD","in_stock":true},{"title":"1x1 Plain Weave \/ Matte","offer_id":46508756205802,"sku":"E46AD03-CFM-1","price":2469.0,"currency_code":"USD","in_stock":true}]},{"product_id":"karbonius-e46-m3-csl-s54-carbon-snorkel","title":"Karbonius E46 M3 CSL (S54) Carbon Snorkel","description":"\u003cp\u003eThe Karbonius E46 M3 CSL (S54) Carbon Snorkel is the ideal complement to any CSL-style airbox, channeling cool, dense air from the front bumper intake directly into the intake system. Based on 3D scans of the genuine OEM plastic CSL snorkel, the Karbonius carbon version is reproduced with motorsport-level precision and weighs just 350 grams — all while delivering measurable reductions in intake air temperature and improved airflow.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from 100% prepreg carbon fiber and autoclave-cured at 125°C in Spain under ISO 9001 quality management standards, the snorkel is widely regarded as the finest CSL-style carbon snorkel on the market. Every piece is produced by qualified staff using a manual process and passes exhaustive quality controls before shipping.\u003c\/p\u003e\n\n\u003cp\u003eWhen installed, the snorkel routes intake air through the factory lower front foglight \/ CSL bumper duct, avoiding the hot engine bay air that would otherwise be ingested — a simple, effective upgrade for any S54-powered build running a CSL carbon airbox.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber snorkel\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum components, anodized black\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to work with the OEM CSL front intake duct\u003c\/li\u003e\n\u003cli\u003eReduces intake air temperatures and improves airflow\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eAutoclave-cured for strength and finish quality\u003c\/li\u003e\n\u003cli\u003eLightweight design (approx. 350 g)\u003c\/li\u003e\n\u003cli\u003eBased on 3D scans of the OEM CSL snorkel for precise fitment\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 with CSL Carbon Airbox (S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eBMW E46 M3 CSL*\u003c\/li\u003e\n\u003cli\u003eWith Trimming: \u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M Coupe \u0026amp; Roadster (2001–2002, S54)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWith Trimming: \u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward. *On CSL-equipped cars, this snorkel deletes the OEM CSL intake flap.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-airbox\"\u003eKarbonius E46 M3 CSL (S54) Carbon Airbox\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/bmw-e46-m3-csl-replacement-panel-air-filter\"\u003eBMW E46 M3 CSL Replacement Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain by Karbonius Composites under ISO 9001 standards\u003c\/li\u003e\n\u003cli\u003eIt is the customer's responsibility to check local laws to ensure legality when using this product on public roads and highways\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003eView emissions compliance notice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"Gloss \/ 2x2 Twill Weave","offer_id":46508756238570,"sku":"E46AD04-CF-2","price":779.0,"currency_code":"USD","in_stock":true},{"title":"Gloss \/ 1x1 Plain Weave","offer_id":46508756271338,"sku":"E46AD04-CF-1","price":829.0,"currency_code":"USD","in_stock":true},{"title":"Matte \/ 2x2 Twill Weave","offer_id":46508756304106,"sku":"E46AD04-CFM-2","price":809.0,"currency_code":"USD","in_stock":true},{"title":"Matte \/ 1x1 Plain Weave","offer_id":46508756336874,"sku":"E46AD04-CFM-1","price":859.0,"currency_code":"USD","in_stock":true}]},{"product_id":"karbonius-e46-m3-csl-s54-carbon-airbox","title":"Karbonius E46 M3 CSL (S54) Carbon Airbox","description":"\u003cp\u003eThe Karbonius E46 M3 CSL (S54) Carbon Airbox is the definitive intake upgrade for enthusiasts seeking authentic CSL performance, motorsport sound, and OEM-level fitment. Inspired by the legendary BMW M3 CSL, this system transforms the driving experience with increased horsepower, sharper throttle response, and one of the most iconic induction sounds ever produced on the S54 platform.\u003c\/p\u003e\n\n\u003cp\u003eManufactured entirely from 100% prepreg carbon fiber, the Karbonius E46 M3 CSL airbox is autoclave-cured at 125°C in Spain under strict ISO 9001 quality standards. Weighing just 1.7 kg, it offers an exceptional strength-to-weight ratio while delivering the precision, durability, and finish expected from a premium carbon fiber intake system.\u003c\/p\u003e\n\n\u003cp\u003eUsing advanced 3D scans of a genuine OEM CSL airbox, Karbonius has refined and improved the original design to enhance airflow efficiency, cylinder filling, and long-term durability. Every detail is engineered for real performance gains while maintaining the correct CSL appearance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerformance Engineering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber velocity stacks replace factory plastic components for reduced weight and increased rigidity\u003c\/li\u003e\n\u003cli\u003eOptimized 51.5mm trumpet diameter (vs. 50mm OEM) improves airflow and engine breathing\u003c\/li\u003e\n\u003cli\u003eRedesigned sixth runner balances airflow distribution across all cylinders\u003c\/li\u003e\n\u003cli\u003eRefined internal chamber with hand-finished surfaces reduces turbulence\u003c\/li\u003e\n\u003cli\u003eSmoother airflow results in improved throttle response and engine efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAll aluminum components are CNC-machined and anodized, paired with stainless-steel hardware for long-term durability. Carbon weave orientation is carefully matched for a symmetrical OEM+ appearance, while a neoprene foam gasket ensures a proper hermetic seal between airbox sections.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerformance Gains \u0026amp; Driving Experience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen paired with proper supporting modifications and tuning, the Karbonius E46 M3 CSL Carbon Airbox can deliver gains of up to 25 horsepower. Beyond measurable performance, the system unlocks the unmistakable CSL induction sound, creating a visceral, high-revving experience that defines the S54 engine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber airbox assembly\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum components\u003c\/li\u003e\n\u003cli\u003eStainless-steel mounting hardware\u003c\/li\u003e\n\u003cli\u003eVentilation valve bracket\u003c\/li\u003e\n\u003cli\u003eM POWER sticker\u003c\/li\u003e\n\u003cli\u003eNumbered certificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 25 horsepower gains with proper tuning\u003c\/li\u003e\n\u003cli\u003eIconic CSL-inspired induction sound\u003c\/li\u003e\n\u003cli\u003e100% prepreg carbon fiber construction\u003c\/li\u003e\n\u003cli\u003eAutoclave-cured for strength and finish quality\u003c\/li\u003e\n\u003cli\u003eLightweight design (approx. 1.7 kg)\u003c\/li\u003e\n\u003cli\u003eReinforced mounting points for durability\u003c\/li\u003e\n\u003cli\u003eOEM-level fitment and finish\u003c\/li\u003e\n\u003cli\u003eIndividually numbered for authenticity\u003c\/li\u003e\n\u003cli\u003e2-Year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-e46\"\u003eBMW E46 M3 (S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z3m-e36-e37\"\u003eBMW Z3 M Coupe \u0026amp; Roadster (2001–2002, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/z4m-e85-e86\"\u003eBMW Z4 M (E85 \/ E86, S54)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstead of installing a shortened CSL-specific dipstick, IND recommends rotating the factory dipstick approximately 180 degrees to provide proper clearance with the airbox.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRequired Installation Components (Sold Separately)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/ind-e46-m3-csl-s54-carbon-airbox-installation-kit?_pos=1\u0026amp;_psq=E46+CSL\u0026amp;_ss=e\u0026amp;_v=1.0\u0026amp;variant=42800141041860\"\u003eIND E46 M3 CSL S54 Carbon Airbox Installation Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL IAT Sensor\u003c\/li\u003e\n\u003cli\u003eAlpha-N MAF-to-IAT Conversion Harness\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL Air Shut-Off Valve\u003c\/li\u003e\n\u003cli\u003eOEM BMW M3 CSL Crankcase Vent Hose\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/bmw-e46-m3-csl-oe-smg-fluid-reservoir-and-bracket?_pos=7\u0026amp;_psq=E46+M3+SMG\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eOEM BMW M3 CSL SMG Reservoir \u0026amp; Bracket (SMG models only)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/karbonius-e46-m3-csl-s54-carbon-snorkel?_pos=1\u0026amp;_psq=karbonius+E46\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eKarbonius E46 M3 CSL Carbon Snorkel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/bmw-e46-m3-csl-replacement-panel-air-filter?_pos=1\u0026amp;_psq=E46+M3+csl+filter\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eBMW E46 M3 CSL Replacement Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured in Spain\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003eView emissions compliance notice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"Gloss \/ 2x2 Twill Weave","offer_id":46508756369642,"sku":"E46AD02-CF-2","price":2349.0,"currency_code":"USD","in_stock":true},{"title":"Gloss \/ 1x1 Plain Weave","offer_id":46508756402410,"sku":"E46AD02-CF-1","price":2469.0,"currency_code":"USD","in_stock":true},{"title":"Matte \/ 2x2 Twill Weave","offer_id":46508756435178,"sku":"E46AD02-CFM-2","price":2449.0,"currency_code":"USD","in_stock":true},{"title":"Matte \/ 1x1 Plain Weave","offer_id":46508756467946,"sku":"E46AD02-CFM-1","price":2569.0,"currency_code":"USD","in_stock":true}]},{"product_id":"eventuri-e46-m3-s54-panel-filter","title":"Eventuri E46 M3 (S54) Panel Filter","description":"\u003cp\u003eThe Eventuri Replacement Panel Filter for the BMW E46 M3 is designed specifically for use with the OE airbox. Over time, air filtration systems require servicing to maintain optimal airflow and engine efficiency. This replacement ensures your factory airbox intake continues to perform at its highest level.\u003c\/p\u003e\n\u003cp\u003eThe factory BMW air intake system relies on paper elements designed primarily for service interval longevity and noise suppression. In contrast, Eventuri’s high flow performance filters are engineered to maximize airflow while maintaining proper filtration efficiency. Replacing worn or contaminated filters restores the smooth, laminar airflow characteristics.\u003c\/p\u003e\n\u003cp\u003eManufactured to Eventuri’s exact specifications, these Generation 2 high flow filters are direct replacements for the OE panel filter. No modifications are required, and installation is straightforward.\u003c\/p\u003e\n\u003cp\u003eMaintaining clean filters is critical to preserving efficiency, throttle response, and consistent performance, particularly on high output BMW M platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits E46 M3 - S54 Engine with OE Intake Airbox\u003c\/li\u003e\n\u003cli\u003eHigh flow Generation 2 dry performance filter\u003c\/li\u003e\n\u003cli\u003eEngineered for optimal airflow and filtration balance\u003c\/li\u003e\n\u003cli\u003eMaintains proper laminar airflow\u003c\/li\u003e\n\u003cli\u003eDirect fit, no modifications required\u003c\/li\u003e\n\u003cli\u003eDesigned in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned in the UK\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eThis item is not eligible for return\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWarranty coverage and damage-in-transit support are fully provided\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003e\u003cstrong\u003eView emissions compliance notice\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IND Distribution","offers":[{"title":"Default Title","offer_id":46508757680362,"sku":"EVE-E46-PF","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/5609\/4442\/files\/Eventuri-E46-M3-OE-Replacement-Panel-Filter-on-box.jpg?v=1794102081"},{"product_id":"eventuri-e46-m3-hybrid-carbon-airbox-system","title":"Eventuri E46 M3 Hybrid Carbon Airbox System","description":"\u003cp\u003eThe Eventuri Hybrid Carbon Airbox System for the BMW E46 M3 delivers the unmistakable CSL induction character while retaining full MAF functionality and OEM-level drivability. Developed through extensive CFD analysis and real-world testing, this system provides a seamless plug-and-play solution without the need for an Alpha-N conversion or ECU recalibration.\u003c\/p\u003e\n\u003cp\u003eAt the core of the system is a prepreg carbon fiber plenum engineered to resonate under load, producing the signature CSL-style intake sound while maintaining a perfectly stable airflow path for the MAF sensor. The internal geometry has been optimized to ensure even airflow distribution to all six cylinders, eliminating the starvation and turbulence issues common with traditional airbox conversions.\u003c\/p\u003e\n\u003cp\u003eThe integrated snorkel incorporates a CNC-machined MAF boss for precise sensor placement, while the patented Eventuri carbon Venturi filter housing accelerates airflow toward the plenum and maintains laminar flow conditions. A dedicated carbon cold-air scoop channels ambient air from the brake duct directly to the intake mouth, reducing intake air temperatures without compromising brake cooling performance.\u003c\/p\u003e\n\u003cp\u003eManufactured from 100% prepreg carbon fiber and assembled with CNC-machined hardware and stainless reinforcement rings, the system delivers long-term durability, OEM fitment, and a transformative driving experience.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHybrid Airbox + Full Carbon Intake\u003c\/td\u003e\n\u003ctd\u003eEVE-E46ABX-CF-INT\u003c\/td\u003e\n\u003ctd\u003eVehicles upgrading from the factory airbox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHybrid Airbox Only – reuse existing Eventuri intake\u003c\/td\u003e\n\u003ctd\u003eEVE-E46ABX-CF-PLM\u003c\/td\u003e\n\u003ctd\u003eExisting Eventuri intake owners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for BMW E46 M3 with S54 engine\u003c\/li\u003e\n\u003cli\u003eAuthentic CSL induction sound with full MAF compatibility\u003c\/li\u003e\n\u003cli\u003eNo ECU conversion or tuning required\u003c\/li\u003e\n\u003cli\u003eCFD-optimized internal plenum geometry\u003c\/li\u003e\n\u003cli\u003ePatented Eventuri Venturi carbon filter housing\u003c\/li\u003e\n\u003cli\u003ePrepreg carbon fiber construction – autoclave cured\u003c\/li\u003e\n\u003cli\u003eCarbon airbox snorkel with CNC-machined MAF boss\u003c\/li\u003e\n\u003cli\u003eSix thermoplastic intake trumpets with CNC stainless reinforcement rings\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cold-air scoop with CNC-machined collar\u003c\/li\u003e\n\u003cli\u003eStainless steel mounting brackets and flanges\u003c\/li\u003e\n\u003cli\u003eCNC-machined breather adapters\u003c\/li\u003e\n\u003cli\u003eCustom EPDM flexible coupler and silicone hoses\u003c\/li\u003e\n\u003cli\u003eOEM-level fitment and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included – Full System (EVE-E46ABX-CF-INT)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber main airbox\u003c\/li\u003e\n\u003cli\u003eCarbon fiber snorkel with integrated MAF tube\u003c\/li\u003e\n\u003cli\u003eCarbon Venturi filter housing\u003c\/li\u003e\n\u003cli\u003eBespoke high-flow dry filter\u003c\/li\u003e\n\u003cli\u003eCarbon cold-air scoop\u003c\/li\u003e\n\u003cli\u003eSix pre-installed intake trumpets with reinforcement rings\u003c\/li\u003e\n\u003cli\u003eStainless mounting hardware and brackets\u003c\/li\u003e\n\u003cli\u003eBreather adapters, hoses, couplers, and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included – Airbox Only (EVE-E46ABX-CF-PLM)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber main airbox\u003c\/li\u003e\n\u003cli\u003eCarbon fiber snorkel with integrated MAF tube\u003c\/li\u003e\n\u003cli\u003eSix intake trumpets with reinforcement rings\u003c\/li\u003e\n\u003cli\u003eStainless mounting hardware and brackets\u003c\/li\u003e\n\u003cli\u003eBreather adapters, hoses, couplers, and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW E46 M3 (2001–2006)\u003c\/li\u003e\n\u003cli\u003eS54 engine\u003c\/li\u003e\n\u003cli\u003eLHD and RHD compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfiguration selection required before ordering\u003c\/li\u003e\n\u003cli\u003eFor vehicles upgrading from the factory airbox select the full intake system\u003c\/li\u003e\n\u003cli\u003eFor vehicles already equipped with an Eventuri intake select the airbox-only option\u003c\/li\u003e\n\u003cli\u003eRecommended for SMG models: BMW M3 CSL OE SMG fluid reservoir and bracket\u003c\/li\u003e\n\u003cli\u003eReplacement filter (intake housing only): 1 × EVE-661-G2-FTR\u003c\/li\u003e\n\u003cli\u003eDesigned and hand-assembled in the UK\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eThis item is not eligible for return\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWarranty coverage and damage-in-transit support are fully provided\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/ind-distribution.com\/pages\/faq#faq-emissions-notice\" target=\"_blank\"\u003eView emissions compliance notice\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IND Distribution","offers":[{"title":"For Existing Eventuri Intake Owners","offer_id":46508757713130,"sku":"EVE-E46ABX-CF-PLM","price":2695.0,"currency_code":"USD","in_stock":true},{"title":"With Eventuri Intake","offer_id":46508757745898,"sku":"EVE-E46ABX-CF-INT","price":3150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/5609\/4442\/files\/54878613478_072f871fe0_b.jpg?v=1794102081"},{"product_id":"csf-e46-m3-oil-cooler","title":"CSF E46 M3 Aluminum Dual-Pass Race Oil Cooler","description":"\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesigned, Developed, and Track Proven in Collaboration with BMW M3 Tuning Specialist and Parts Manufacturer, Rogue Engineering\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaces OEM Unit Single-Pass Design and Plastic Shroud with a Unique Top\/Bottom Dual-Pass Design for Maximum Surface Area and Flow\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e“Drop-in Fit” Requiring No Modifications to Install – Accepts Factory Oil-Line Connections\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFully TIG-Welded Extruded-Endtank Design vs. OEM Mechanically Jointed and Tack-Welded Design for Superior Reliability \u0026amp; Durability\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFits Precisely with the Contour of the OEM Bumper – No Issues with Aftermarket Splitter Attachment\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTurbulated Heavy-Duty Bar\/Plate Design for the Most Reliable \u0026amp; Durable Oil Cooler Available for the Platform\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e8 Rows of Maximum Cooling with a High Density Multi-Louvered Fin Pitch Design\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesigned to Work with OEM Radiator Brackets or CSF’s All-Aluminum Triple-Pass Radiator (CSF #7058) and S54 Swap Radiator (\u003ca href=\"https:\/\/csfrace.com\/new-csf-bmw-s54-swap-radiator-oil-cooler-e36-e30\/\" rel=\"noreferrer noopener\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/csfrace.com\/new-csf-bmw-s54-swap-radiator-oil-cooler-e36-e30\/\" target=\"_blank\"\u003eCSF #7211\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMotorsport Silver Finish\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOEM #: 17212228942\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":46508758532330,"sku":"8032","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/5609\/4442\/files\/8032_2.jpg?v=1794102102"}],"url":"https:\/\/turbogods.com\/collections\/e46-m3.oembed","provider":"Turbo Gods","version":"1.0","type":"link"}