{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003eUpgrade your BMW M3 E9X \/ E92 with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2006-2012 BMW M3 E90 E91 E92 with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305805046097,"sku":"XC3-APCP9660-NCKL-E92CHASS","price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F87-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Nickel-Plated-Calipers-_Complete-Kit_-_-XC3-Engineering-XC3-Engineering-154451729.webp?v=1774279676","url":"https:\/\/therossocorsacollective.com\/products\/bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","provider":"The Rosso Corsa Collective","version":"1.0","type":"link"}