{"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":"IND Distribution","offers":[{"title":"Default Title","offer_id":52423744291099,"sku":"AC48-S54","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/2123\/2667\/files\/52990187875_972df17861_b.jpg?v=1782868165","url":"https:\/\/www.sub2speedhouse.com\/products\/karbonius-m3-csl-s54-carbon-airbox-heat-shield-kit","provider":"SUB2 SPEEDHOUSE","version":"1.0","type":"link"}