{"title":"BMW","description":null,"products":[{"product_id":"g8x-m-series-rear-replacement-rotor","title":"SPECWORKS BMW G8X M SERIES REAR BRAKE DISCS — 2-PIECE FLOATING ROTOR — OEM REPLACEMENT","description":"\u003cp\u003e\u003cstrong\u003eDirect OEM Replacement. Race-Grade Upgrade. Built For The G8X M Series.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade the rear brakes on your BMW G80 M3, G82 M4, or G87 M2 with the SPECWORKS 2-piece floating rotor — a direct OEM-size replacement engineered to deliver superior pedal feel, better cooling, and longer service life than the factory one-piece disc.\u003c\/p\u003e\n\u003cp\u003eDirect bolt-on fitment — no caliper changes, no bracket changes, no compromises.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔥 ROTOR — SPECWORKS 2-PIECE FLOATING DISC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-matched rear disc dimensions\u003c\/strong\u003e for direct fitment\u003c\/li\u003e\n\u003cli\u003eTwo-piece floating construction — iron rotor ring + aluminium hat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e proprietary high-carbon iron alloy rotor ring — engineered in-house for superior heat management\u003c\/li\u003e\n\u003cli\u003eOptimised internal vane geometry for faster cooling\u003c\/li\u003e\n\u003cli\u003eFloating bobbin design accommodates thermal expansion under repeated hard stops\u003c\/li\u003e\n\u003cli\u003eHard-anodised aluminium hat — corrosion-resistant and durable\u003c\/li\u003e\n\u003cli\u003eServiceable design — replace the ring only when worn, keep the hat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e❄️ SUPERIOR COOLING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe two-piece design physically separates the rotor ring from the hub via the aluminium hat, dramatically reducing heat transfer into the wheel bearing and hub assembly. Combined with the optimised vane geometry and THERMACORE™ alloy, the rotor sheds heat faster and stays within its ideal operating window — even under back-to-back hard stops.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🦶 PEDAL FEEL YOU CAN TRUST\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe floating bobbin construction allows the rotor ring to expand naturally under thermal load — eliminating the pedal pulsation, judder, and distortion that plague one-piece OEM discs after repeated heat cycles. The result is a \u003cstrong\u003efirm, consistent, and predictable pedal\u003c\/strong\u003e — lap after lap, stop after stop.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ DURABILITY THAT LASTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCast from our proprietary \u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e high-carbon iron alloy, the rotor ring is engineered specifically to resist:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCracking under repeated thermal cycling\u003c\/li\u003e\n\u003cli\u003eWarping and hard-spotting from hard stops\u003c\/li\u003e\n\u003cli\u003eHeat checking on high-temp track use\u003c\/li\u003e\n\u003cli\u003ePremature wear from aggressive pad compounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt to survive the abuse the OEM disc simply wasn't designed for.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 SERVICEABLE BY DESIGN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike OEM one-piece discs — where a worn rotor means a full replacement — the SPECWORKS 2-piece design lets you \u003cstrong\u003ereplace only the rotor ring\u003c\/strong\u003e when it reaches wear limits. The aluminium hat and hardware are retained, keeping long-term ownership costs down and reducing waste.\u003c\/p\u003e\n\u003cp\u003eBuy once. Service when needed. Keep going.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🎨 CUSTOMISATION OPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor face pattern:\u003c\/strong\u003e J HOOK \/ Curved Slot \/ TY Slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium hat colour anodising:\u003c\/strong\u003e BLACK \/ BRONZE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📦 WHAT'S IN THE KIT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 x SPECWORKS 2-piece floating rear rotors (L\/R handed)\u003c\/li\u003e\n\u003cli\u003e2 x Hard-anodised aluminium hats (pre-assembled)\u003c\/li\u003e\n\u003cli\u003eFloating bobbin hardware kit\u003c\/li\u003e\n\u003cli\u003eFitment instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW M Series (G8X chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eG80 M3 \/ M3 Competition \/ M3 CS\u003c\/li\u003e\n\u003cli\u003eG82 M4 \/ M4 Competition \/ M4 CS\u003c\/li\u003e\n\u003cli\u003eG87 M2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2021 – Present\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper:\u003c\/strong\u003e OEM rear caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e This kit is designed for models fitted with the \u003cstrong\u003estandard steel rear disc\u003c\/strong\u003e. Not compatible with vehicles equipped with the optional \u003cstrong\u003eCarbon Ceramic Brake (CCB)\u003c\/strong\u003e package.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📋 SPEC QUICK REFERENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv role=\"region\" class=\"MarkdownTable_tableContainer__2k5Kh\" tabindex=\"0\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e2-piece floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Material\u003c\/td\u003e\n\u003ctd\u003eTHERMACORE™ high-carbon iron alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Material\u003c\/td\u003e\n\u003ctd\u003eHard-anodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace Pattern\u003c\/td\u003e\n\u003ctd\u003eJ HOOK \/ Curved Slot \/ TY Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Colour Anodising\u003c\/td\u003e\n\u003ctd\u003eBLACK \/ BRONZE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ SPECWORKS PROMISE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery SPECWORKS rotor is engineered in-house on our own CNC equipment and cast from our proprietary \u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e alloy — developed exclusively for high-performance braking applications. Race-proven technology, delivered worldwide, backed by our team.\u003c\/p\u003e","brand":"SPECWORKS BRAKES","offers":[{"title":"Bronze \/ Curved","offer_id":52094594711832,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Bronze \/ TY3","offer_id":52746667393304,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Bronze \/ J Hook","offer_id":52746667426072,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ Curved","offer_id":52094594679064,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ TY3","offer_id":52746667458840,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ J Hook","offer_id":52746667491608,"sku":null,"price":1080.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1326\/7736\/files\/REARROTORFINAL.jpg?v=1779363414"},{"product_id":"specworks-bmw-f87-m2-competition-front-brake-discs","title":"SPECWORKS BMW F87 M2 COMPETITION FRONT BRAKE DISCS","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eDirect OEM Replacement. Race-Grade Upgrade. Built For The F87 M2 Competition.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your BMW F87 M2 Competition front brakes with the SPECWORKS 2-piece floating rotor system — a direct OEM-size replacement engineered to outperform the factory one-piece disc in every measurable way. Lighter, cooler, and stronger, these rotors are built for owners who push their M2 hard on road, track, or both.\u003c\/p\u003e\n\u003cp\u003eDirect bolt-on fitment — no caliper changes, no bracket changes, no compromises.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔥 ROTOR — SPECWORKS 2-PIECE FLOATING DISC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOEM-matched 400mm x 34mm front disc dimensions\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eTwo-piece floating construction — iron rotor ring + aluminium hat\u003c\/li\u003e\n\u003cli\u003eTHERMACORE™ high-carbon iron alloy rotor ring for superior heat management\u003c\/li\u003e\n\u003cli\u003eOptimised internal vane geometry for faster cooling\u003c\/li\u003e\n\u003cli\u003eFloating bobbin design accommodates thermal expansion under extreme load\u003c\/li\u003e\n\u003cli\u003eHard-anodised aluminium hat — corrosion-proof, lightweight\u003c\/li\u003e\n\u003cli\u003eSignificant unsprung weight reduction vs OEM one-piece rotor\u003c\/li\u003e\n\u003cli\u003eReduced rotational mass = faster acceleration, sharper braking response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🎨 CUSTOMISATION OPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor face pattern:\u003c\/strong\u003e J HOOK \/ Curved Slot \/ TY Slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHat colour:\u003c\/strong\u003e Black \/ Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware finish:\u003c\/strong\u003e Silver \/ Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e✅ WHY UPGRADE FROM OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter\u003c\/strong\u003e — reduces unsprung and rotational mass vs factory disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooler\u003c\/strong\u003e — two-piece design dissipates heat significantly faster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger\u003c\/strong\u003e — race-grade iron alloy resists warping and cracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable\u003c\/strong\u003e — replace the ring only when worn, keep the hat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter pedal feel\u003c\/strong\u003e — no fade, no vibration, consistent bite lap after lap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fitment\u003c\/strong\u003e — uses OEM calipers, OEM pads, OEM brake lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📦 WHAT'S IN THE KIT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 x SPECWORKS 2-piece floating front rotors (L\/R handed)\u003c\/li\u003e\n\u003cli\u003e2 x Hard-anodised aluminium hats (pre-assembled)\u003c\/li\u003e\n\u003cli\u003eFloating bobbin hardware kit\u003c\/li\u003e\n\u003cli\u003eFitment instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW M2 Competition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e F87\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2018 – 2021\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e S55 3.0L Twin-Turbo I6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Front axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Disc Size:\u003c\/strong\u003e 400mm x 34mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper:\u003c\/strong\u003e OEM M Compound \/ M Performance (6-piston fixed front caliper)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e This kit is designed for the \u003cstrong\u003eM2 Competition (S55 engine)\u003c\/strong\u003e — NOT compatible with the base M2 (N55) which uses a smaller 380mm front disc. For base M2 fitment, see our separate listing.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📋 SPEC QUICK REFERENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv role=\"region\" class=\"MarkdownTable_tableContainer__2k5Kh\" tabindex=\"0\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Diameter\u003c\/td\u003e\n\u003ctd\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Thickness\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e2-piece floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Material\u003c\/td\u003e\n\u003ctd\u003eTHERMACORE™ high-carbon iron alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Material\u003c\/td\u003e\n\u003ctd\u003eHard-anodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace Pattern\u003c\/td\u003e\n\u003ctd\u003eJ HOOK \/ Curved \/ TY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Colour\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ SPECWORKS PROMISE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery SPECWORKS rotor is engineered from real trackside experience and manufactured to motorsport tolerances. Race-proven technology, delivered worldwide, backed by our support team.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SPECWORKS BRAKES","offers":[{"title":"Bronze \/ J Hook","offer_id":52520945615128,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false},{"title":"Bronze \/ Curved","offer_id":52520945647896,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false},{"title":"Bronze \/ TY","offer_id":52520945680664,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ J Hook","offer_id":52520945713432,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ Curved","offer_id":52520945746200,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ TY","offer_id":52520945778968,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1326\/7736\/files\/BMWm2competitionFrontdisc.jpg?v=1786783853"},{"product_id":"specworks-bmw-f87-m2-competition-front-brake-discs-copy","title":"SPECWORKS BMW F87 M2 COMPETITION REAR TWO PIECE REPLACEMENT ROTOR","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eDirect OEM Replacement. Race-Grade Upgrade. Built For The F87 M2 Competition.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eComplete your F87 M2 Competition brake upgrade with the SPECWORKS 2-piece floating rear rotor — a direct OEM-size replacement engineered to outperform the factory one-piece disc in every measurable way. Lighter, cooler, and stronger, these rotors are built for owners who push their M2 hard on road, track, or both.\u003c\/p\u003e\n\u003cp\u003eDirect bolt-on fitment — no caliper changes, no bracket changes, no compromises.\u003c\/p\u003e\n\u003cp\u003ePair with our \u003cstrong\u003eSPECWORKS F87 M2 Competition Front Discs\u003c\/strong\u003e for a complete balanced brake upgrade.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔥 ROTOR — SPECWORKS 2-PIECE SEMI FLOATING DISC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOEM-matched 380mm x 28mm rear disc dimensions\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eTwo-piece Semi floating construction — iron rotor ring + aluminium hat\u003c\/li\u003e\n\u003cli\u003eTHERMACORE™ high-carbon iron alloy rotor ring for superior heat management\u003c\/li\u003e\n\u003cli\u003eOptimised internal vane geometry for faster cooling\u003c\/li\u003e\n\u003cli\u003eFloating bobbin design accommodates thermal expansion under extreme load\u003c\/li\u003e\n\u003cli\u003eHard-anodised aluminium hat — corrosion-proof, lightweight\u003c\/li\u003e\n\u003cli\u003eSignificant unsprung weight reduction vs OEM one-piece rotor\u003c\/li\u003e\n\u003cli\u003eReduced rotational mass = faster acceleration, sharper braking response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🎨 CUSTOMISATION OPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor face pattern:\u003c\/strong\u003e J HOOK \/ Curved Slot \/ TY Slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHat colour:\u003c\/strong\u003e Black \/ Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware finish:\u003c\/strong\u003e Silver \/ Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e✅ WHY UPGRADE FROM OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter\u003c\/strong\u003e — reduces unsprung and rotational mass vs factory disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooler\u003c\/strong\u003e — two-piece design dissipates heat significantly faster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger\u003c\/strong\u003e — race-grade iron alloy resists warping and cracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable\u003c\/strong\u003e — replace the ring only when worn, keep the hat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter pedal feel\u003c\/strong\u003e — no fade, no vibration, consistent bite lap after lap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect fitment\u003c\/strong\u003e — uses OEM calipers, OEM pads, OEM brake lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📦 WHAT'S IN THE KIT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 x SPECWORKS 2-piece floating rear rotors (L\/R handed)\u003c\/li\u003e\n\u003cli\u003e2 x Hard-anodised aluminium hats (pre-assembled)\u003c\/li\u003e\n\u003cli\u003eFloating bobbin hardware kit\u003c\/li\u003e\n\u003cli\u003eFitment instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW M2 Competition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e F87\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2018 – 2021\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e S55 3.0L Twin-Turbo I6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Disc Size:\u003c\/strong\u003e 380mm x 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper:\u003c\/strong\u003e OEM M Compound \/ M Performance (4-piston fixed rear caliper)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e This kit is designed for the \u003cstrong\u003eM2 Competition (S55 engine)\u003c\/strong\u003e — NOT compatible with the base M2 (N55) which uses a smaller 370mm rear disc. For base M2 fitment, see our separate listing.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📋 SPEC QUICK REFERENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv role=\"region\" class=\"MarkdownTable_tableContainer__2k5Kh\" tabindex=\"0\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Diameter\u003c\/td\u003e\n\u003ctd\u003e380mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Thickness\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e2-piece floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Material\u003c\/td\u003e\n\u003ctd\u003eTHERMACORE™ high-carbon iron alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Material\u003c\/td\u003e\n\u003ctd\u003eHard-anodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace Pattern\u003c\/td\u003e\n\u003ctd\u003eJ HOOK \/ Curved \/ TY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Colour\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ SPECWORKS PROMISE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery SPECWORKS rotor is engineered from real trackside experience and manufactured to motorsport tolerances. Race-proven technology, delivered worldwide, backed by our support team.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SPECWORKS BRAKES","offers":[{"title":"Bronze \/ J Hook","offer_id":52520945877272,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false},{"title":"Bronze \/ Curved","offer_id":52520945910040,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false},{"title":"Bronze \/ TY","offer_id":52520945942808,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ J Hook","offer_id":52520945975576,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ Curved","offer_id":52520946008344,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ TY","offer_id":52520946041112,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1326\/7736\/files\/BMW_M2_COMPETITION_F87_REAR_DISC.jpg?v=1789903382"},{"product_id":"specworks-bmw-g8x-m-series-front-brake-discs-2-piece-floating-rotor-oem-replacement","title":"SPECWORKS BMW G8X M SERIES FRONT BRAKE DISCS — TWO PIECE REPLACEMENT","description":"\u003cp\u003e\u003cstrong\u003eDirect OEM Replacement. Race-Grade Upgrade. Built For The G8X M Series.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade the front brakes on your BMW G80 M3, G82 M4, or G87 M2 with the SPECWORKS 2-piece floating rotor — a direct OEM-size replacement engineered to deliver superior pedal feel, better cooling, and longer service life than the factory one-piece disc.\u003c\/p\u003e\n\u003cp\u003eDirect bolt-on fitment — no caliper changes, no bracket changes, no compromises.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔥 ROTOR — SPECWORKS 2-PIECE FLOATING DISC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-matched front disc dimensions\u003c\/strong\u003e for direct fitment\u003c\/li\u003e\n\u003cli\u003eTwo-piece floating construction — iron rotor ring + aluminium hat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e proprietary high-carbon iron alloy rotor ring — engineered in-house for superior heat management\u003c\/li\u003e\n\u003cli\u003eOptimised internal vane geometry for faster cooling\u003c\/li\u003e\n\u003cli\u003eFloating bobbin design accommodates thermal expansion under repeated hard stops\u003c\/li\u003e\n\u003cli\u003eHard-anodised aluminium hat — corrosion-resistant and durable\u003c\/li\u003e\n\u003cli\u003eServiceable design — replace the ring only when worn, keep the hat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e❄️ SUPERIOR COOLING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe front axle carries the majority of the braking load — which is exactly where thermal management matters most. The SPECWORKS 2-piece design physically separates the rotor ring from the hub via the aluminium hat, dramatically reducing heat transfer into the wheel bearing and hub assembly. Combined with the optimised vane geometry and THERMACORE™ alloy, the rotor sheds heat faster and stays within its ideal operating window — even under back-to-back hard stops.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🦶 PEDAL FEEL YOU CAN TRUST\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe floating bobbin construction allows the rotor ring to expand naturally under thermal load — eliminating the pedal pulsation, judder, and distortion that plague one-piece OEM discs after repeated heat cycles. The result is a \u003cstrong\u003efirm, consistent, and predictable pedal\u003c\/strong\u003e — lap after lap, stop after stop.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ DURABILITY THAT LASTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCast from our proprietary \u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e high-carbon iron alloy, the rotor ring is engineered specifically to resist:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCracking under repeated thermal cycling\u003c\/li\u003e\n\u003cli\u003eWarping and hard-spotting from hard stops\u003c\/li\u003e\n\u003cli\u003eHeat checking on high-temp track use\u003c\/li\u003e\n\u003cli\u003ePremature wear from aggressive pad compounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt to survive the abuse the OEM disc simply wasn't designed for.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 SERVICEABLE BY DESIGN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike OEM one-piece discs — where a worn rotor means a full replacement — the SPECWORKS 2-piece design lets you \u003cstrong\u003ereplace only the rotor ring\u003c\/strong\u003e when it reaches wear limits. The aluminium hat and hardware are retained, keeping long-term ownership costs down and reducing waste.\u003c\/p\u003e\n\u003cp\u003eBuy once. Service when needed. Keep going.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🎨 CUSTOMISATION OPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor face pattern:\u003c\/strong\u003e J HOOK \/ Curved Slot \/ TY Slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium hat colour anodising:\u003c\/strong\u003e BLACK \/ BRONZE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📦 WHAT'S IN THE KIT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 x SPECWORKS 2-piece floating front rotors (L\/R handed)\u003c\/li\u003e\n\u003cli\u003e2 x Hard-anodised aluminium hats (pre-assembled)\u003c\/li\u003e\n\u003cli\u003eFloating bobbin hardware kit\u003c\/li\u003e\n\u003cli\u003eFitment instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW M Series (G8X chassis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eG80 M3 \/ M3 Competition \/ M3 CS\u003c\/li\u003e\n\u003cli\u003eG82 M4 \/ M4 Competition \/ M4 CS\u003c\/li\u003e\n\u003cli\u003eG87 M2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2021 – Present\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Front axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper:\u003c\/strong\u003e OEM front caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e This kit is designed for models fitted with the \u003cstrong\u003estandard steel front disc\u003c\/strong\u003e. Not compatible with vehicles equipped with the optional \u003cstrong\u003eCarbon Ceramic Brake (CCB)\u003c\/strong\u003e package.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📋 SPEC QUICK REFERENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv role=\"region\" class=\"MarkdownTable_tableContainer__2k5Kh\" tabindex=\"0\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e2-piece floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Material\u003c\/td\u003e\n\u003ctd\u003eTHERMACORE™ high-carbon iron alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Material\u003c\/td\u003e\n\u003ctd\u003eHard-anodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace Pattern\u003c\/td\u003e\n\u003ctd\u003eJ HOOK \/ Curved Slot \/ TY Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Colour Anodising\u003c\/td\u003e\n\u003ctd\u003eBLACK \/ BRONZE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🛡️ SPECWORKS PROMISE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery SPECWORKS rotor is engineered in-house on our own CNC equipment and cast from our proprietary \u003cstrong\u003eTHERMACORE™\u003c\/strong\u003e alloy — developed exclusively for high-performance braking applications. Race-proven technology, delivered worldwide, backed by our team.\u003c\/p\u003e","brand":"SPECWORKS BRAKES","offers":[{"title":"Bronze aluminum hub \/ Curved Slot","offer_id":52525280592152,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true},{"title":"Bronze aluminum hub \/ TY","offer_id":52735738904856,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true},{"title":"Bronze aluminum hub \/ J HOOK","offer_id":52735738937624,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true},{"title":"Black aluminum hub \/ Curved Slot","offer_id":52525280559384,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true},{"title":"Black aluminum hub \/ TY","offer_id":52735738970392,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true},{"title":"Black aluminum hub \/ J HOOK","offer_id":52735739003160,"sku":null,"price":1090.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1326\/7736\/files\/g80mfrontdisc.jpg?v=1786939211"}],"url":"https:\/\/shop.specworksbrakes.com\/collections\/bmw.oembed","provider":"SPECWORKS BRAKES","version":"1.0","type":"link"}