{"product_id":"girodisc-14-20-bmw-m2-m3-m4-f8x-w-blue-calipers-380mm-slotted-front-rotors","title":"GiroDisc 14-20 BMW M2\/M3\/M4 (F8X w\/Blue Calipers) 380mm Slotted Front Rotors","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eA1-186\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGirodisc 14-20 BMW M2\/M3\/M4 (F8X w\/Blue Calipers) 380mm Slotted Front Rotors\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGirodisc A1-186 rotors are two-piece 380mm x 36mm slotted front brake rotors designed for 2014-2020 BMW M2 F87 M3 F80 and M4 F82\/F83 models equipped with factory blue calipers and M Compound brakes. These rotors replace OEM parts directly with lighter weight for reduced unsprung mass and enhanced track performance. They deliver consistent braking under high heat by channeling gases and dissipating fade.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Design:\u003c\/strong\u003e 6061-T6 aluminum hat with high-carbon ductile iron friction ring reduces rotating mass by 4.8 lbs per rotor compared to OEM 29.3 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72 Curved Vane Slotted Rotor:\u003c\/strong\u003e Directional slots clear brake gases improve pad bite and manage heat for repeated high-performance stops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e 380mm OD 36mm thickness 82mm height with floating hardware for thermal expansion and zero distortion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e 300 series stainless steel drive buttons and bushings ensure long-term durability in harsh conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Bolt-on fit retains OEM caliper pads and hardware compatibility for 2014-2020 F8X chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires proper bed-in procedure for optimal performance and pad transfer\u003c\/li\u003e\n\u003cli\u003eInspect rotors regularly and replace when minimum thickness 34.4mm is reached\u003c\/li\u003e\n\u003cli\u003eShips as pair weighing 49.6 lbs total in protective packaging\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\u003eIncludes all Girodisc hardware bolts and bushings for complete assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM blue M Compound calipers no modifications needed\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\u003e2014-2020\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eBase Sedan F80 w\/Blue Calipers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2020\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eBase Coupe F82 w\/Blue Calipers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2020\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eBase Convertible F83 w\/Blue Calipers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2020\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eBase Coupe F87 w\/Blue Calipers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Girodisc?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHand-assembled in USA with motorsport-proven designs used in GT racing\u003c\/li\u003e\n\u003cli\u003eAdvanced metallurgy resists warping and cracking under extreme track abuse\u003c\/li\u003e\n\u003cli\u003eEngineered for BMW enthusiasts demanding reliable street and circuit braking\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 these rotors fit BMW F8X models with red carbon ceramic calipers?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No these A1-186 rotors fit only blue M Compound calipers and 380mm OEM rotors red calipers require different Girodisc part\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used in the rotor ring?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-carbon ductile iron alloy with 72 curved vanes for superior heat dissipation and strength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers these rotors?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Girodisc offers limited lifetime warranty against defects when installed and maintained properly\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 freight for heavy item\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 Secure double-box 42in x 14in x 14in dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 49.6 lbs pair\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GiroDisc","offers":[{"title":"Default Title","offer_id":40664621908047,"sku":"GIRA1-186","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/girodisc-14-20-bmw-m2m3m4-f8x-wblue-calipers-380mm-slotted-front-rotors-girodisc.jpg?v=1775937924","url":"https:\/\/www.blackopsautoworks.com\/products\/girodisc-14-20-bmw-m2-m3-m4-f8x-w-blue-calipers-380mm-slotted-front-rotors","provider":"Black Ops Auto Works","version":"1.0","type":"link"}