{"product_id":"stoptech-bmw-f80-f82-2-piece-brake-discs-pair-m3-m4","title":"StopTech BMW F80 F82 2-Piece Aero Front Brake Discs (Pair) (M3 \u0026 M4)","description":"\u003ch4\u003e\u003cspan\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eStopTech AeroRotor Replacement Kits (ARK) offer major benefits compared to original factory brake rotors. The AeroRotor vanes pushes up to 80% more air than factory rotors for better cooling and reduced fade. Designed for BMW F80 F82 F83 M3 \u0026amp; M4.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2 piece brake discs offers a significant improvement over standard, suitable for those who doesn't require a BBK. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTypical OEM brakes are designed for cars with standard engines, performing routine tasks: the morning and evening commute, grocery shopping, driving the kids to soccer practice, etc. In other words, your OEM brakes can easily become overwhelmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance rotors are direct replacement discs for your factory brake system and stock calipers.\u003c\/strong\u003e They offer improved cooling as well as other advantages the OE rotors just don't offer.\u003c\/p\u003e\n\u003cp\u003eSlotting and\/or cross-drilling helps wipe away the debris that forms between the pad and the disc, adds more bite, and can help the rear brakes to match the aesthetics of a front big brake kit. The rotor finish helps prevent glazing of the pads and improves wet and dry braking performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTypical OEM brakes are designed for cars with standard engines, performing routine tasks: the morning and evening commute, grocery shopping, driving the kids to soccer practice, etc. In other words, your OEM brakes can easily become overwhelmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance rotors are direct replacement discs for your factory brake system and stock calipers.\u003c\/strong\u003e They offer improved cooling as well as other advantages the OE rotors just don't offer.\u003c\/p\u003e\n\u003cp\u003eSlotting and\/or cross-drilling helps wipe away the debris that forms between the pad and the disc, adds more bite, and can help the rear brakes to match the aesthetics of a front big brake kit. The rotor finish helps prevent glazing of the pads and improves wet and dry braking performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cstrong\u003eAdvantages of a 2-piece rotor over a 1-piece rotor:\u003c\/strong\u003e\n\u003cp\u003eThe primary purpose of 2-piece rotors is to reduce unsprung and overall vehicle weight. This is accomplished by using two-piece disc construction. The 2-piece design also allows for independent expansion of the rotor and hat without coning. The secondary purpose is to increase the ventilation and cooling capacity of the brake disc. Better airflow means better cooling and less fade.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eThe primary purpose of 2-piece rotors is to reduce unsprung and overall vehicle weight. This is accomplished by using two-piece disc construction. The 2-piece design also allows for independent expansion of the rotor and hat without coning. The secondary purpose is to increase the ventilation and cooling capacity of the brake disc. Better airflow means better cooling and less fade.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2-Piece Rotors\u003c\/li\u003e\n\u003cli\u003eRetains original dimensions\u003c\/li\u003e\n\u003cli\u003eBetter manufactured than factory OEM (upgrade)\u003c\/li\u003e\n\u003cli\u003eAero Vanes for better cooling\u003c\/li\u003e\n\u003cli\u003eSlotted or Drilled\u003c\/li\u003e\n\u003cli\u003eOptional anti-corrosion Zinc Coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePair of 2 piece front brake disc\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW F80 F82 F83 M3 \u0026amp; M4 \u003c\/p\u003e\n\u003cp\u003eNot compatible with carbon brake system.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePart Number \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e81.B38.9911 Slotted Aero-Rotors (ARK)\u003cbr\u003e81.B38.9921 Drilled Aero-Rotors (ARK)\u003cbr\u003e81.B38.9931 Slotted Zinc Coated Aero-Rotors (ARK)\u003cbr\u003e81.B38.9941 Drilled Zinc Coated Aero-Rotors (ARK)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eMore Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eManufactured by\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStopTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e6 months or 6,000 motorway miles \u003ca href=\"https:\/\/www.mlperformance.co.uk\/blogs\/news\/stoptech-how-to-make-a-warranty-claim-ml-performance-uk\" title=\"StopTech Warranty Claim Process, Terms and conditions - ML Performance UK\" target=\"_blank\"\u003eStopTech Warranty\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e81-B38-9921 - 42cm x 42cm x 28cm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e81-B38-9921 - 23.4kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"StopTech","offers":[{"title":"Slotted \/ Without Zinc Coating","offer_id":48737000620257,"sku":"81-B38-9911","price":1069.0,"currency_code":"GBP","in_stock":true},{"title":"Drilled \/ Without Zinc Coating","offer_id":48737000653025,"sku":"81-B38-9921","price":1069.0,"currency_code":"GBP","in_stock":true},{"title":"Slotted \/ Include Zinc Coating","offer_id":48737000685793,"sku":"81-B38-9931","price":1064.0,"currency_code":"GBP","in_stock":true},{"title":"Drilled \/ Include Zinc Coating","offer_id":48737000718561,"sku":"81-B38-9941","price":1268.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7608\/4961\/files\/StopTech_BMW_F80_F82_2-Piece_Brake_Discs_Pair_M3_M4.jpg?v=1784847806","url":"https:\/\/mlperformanceusa.com\/products\/stoptech-bmw-f80-f82-2-piece-brake-discs-pair-m3-m4","provider":"ML Performance USA","version":"1.0","type":"link"}