{"product_id":"cometic-gasket-2020-bmw-s58b30t0-071in-dst-cyl-head-gasket-85mm-bore","title":"Cometic Gasket 2020+ BMW S58B30T0 .071in DST Cyl. Head Gasket - 85mm Bore","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eC14207-071\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 191070590291\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCometic Gasket 2020+ BMW S58B30T0 .071in DST Cyl. Head Gasket - 85mm Bore\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade your BMW S58 engine with the Cometic C14207-071 cylinder head gasket designed for 2020+ models including M3 M4 X3 M X4 M and M2. This .071 inch thick MLS gasket supports 85mm bore configurations for stroker kits and boosted setups while providing reliable sealing under extreme cylinder pressures. Engineered for the S58B30T0 twin-turbo inline-6 it maintains compression and prevents blowouts during high-performance operation.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Layer Steel (MLS) Design:\u003c\/strong\u003e Three stainless steel layers conform to deck surfaces for leak-free performance even at 50+ psi boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.071 Inch Thickness:\u003c\/strong\u003e Allows precise compression ratio adjustments ideal for big turbo or stroker builds on S58 engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e85mm Bore Diameter:\u003c\/strong\u003e Accommodates aftermarket pistons and blocks expanding displacement beyond stock 82mm limits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Seal Technology (DST):\u003c\/strong\u003e Tapered outer edge and wire-arc sprayed coating enhance combustion chamber isolation and heat resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Laser Etching:\u003c\/strong\u003e Fire ring placement ensures exact OEM bolt hole alignment for straightforward S58 head installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm S58B30T0 engine code and 85mm bore prior to purchase for stroker or performance applications\u003c\/li\u003e\n\u003cli\u003eInspect head and block surfaces for flatness within 0.002 inches before installation\u003c\/li\u003e\n\u003cli\u003ePackaged flat in protective sleeve for damage-free delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eClean mating surfaces thoroughly and use Cometic-approved sealer on both sides if needed\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM head bolts torque to BMW spec in sequence 35 Nm + 90 degrees\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eCompetition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2022\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2022\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eCompetition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eCompetition xDrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M\u003c\/td\u003e\n\u003ctd\u003eCompetition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M\u003c\/td\u003e\n\u003ctd\u003eCompetition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Cometic?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted by NHRA Pro Stock and endurance racing teams for decades of high-horsepower reliability\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA with aerospace-grade materials for consistent sealing results\u003c\/li\u003e\n\u003cli\u003eCustom thicknesses and bores available for exact engine build specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this gasket fit a stock bore S58 or only modified engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Optimized for 85mm bore performance builds it works on modified blocks with larger pistons while compatible with S58 heads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material composition provides the sealing strength?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Three-layer MLS with 321 stainless steel cores phosphor bronze fire ring and Viton coating for boost and E85 compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Cometic offers a one-year unlimited mileage warranty against defects when installed per instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Flat protective envelope 12in x 10in x 0.5in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.45 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cometic Gasket","offers":[{"title":"Default Title","offer_id":45028831199311,"sku":"CGSC14207-071","price":271.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cometic-gasket-2020-bmw-s58b30t0-_071in-dst-cyl_-head-gasket-85mm-bore-cometic-gasket.jpg?v=1774642521","url":"https:\/\/www.blackopsautoworks.com\/products\/cometic-gasket-2020-bmw-s58b30t0-071in-dst-cyl-head-gasket-85mm-bore","provider":"Black Ops Auto Works","version":"1.0","type":"link"}