{"product_id":"bmw-m3-e90-e92-e93-btcc-big-brake-kit-ap-racing-cp9660-368mm-front-brake-upgrade-xc3-engineering","title":"BMW M3 E90 E92 E93 BTCC Big Brake Kit – AP Racing CP9660 368mm Front Brake Upgrade | XC3 Engineering","description":"\u003ch4\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eUnlock serious braking performance for your BMW M3 E9X with the XC3 BTCC Big Brake Kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt around \u003c\/span\u003eAP Racing CP9660 Pro 5000 R six-piston calipers\u003cspan\u003e, professionally skimmed ex-BTCC 368mm x 36mm floating brake rotors and XC3 precision-engineered mounting components, this complete front brake upgrade delivers proven motorsport hardware in a package designed specifically for the BMW E90, E92 and E93 M3.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach ex-BTCC rotor is professionally skimmed before supply, removing the previous pad transfer layer and providing a fresh braking surface ready to be bedded in with your chosen new brake pad compound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoose from \u003c\/span\u003ePagid RSL29, PFC 11, Ferodo DSUNO or Ferodo DS3000\u003cspan\u003e depending on your intended use and preferred braking characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x AP Racing CP9660 Pro 5000 R six-piston calipers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChoice of Anodised Grey or Nickel Plated caliper finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x professionally skimmed ex-BTCC 368mm x 36mm floating brake rotors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eYour choice of new brake pad compound\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x XC3 anodised aluminium rotor bells\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x XC3 anodised caliper brackets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x AP Racing floating bobbin kits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 x pair braided front brake lines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-tensile mounting hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eProfessionally Skimmed Ex-BTCC Rotors\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe 368mm x 36mm floating rotors used in this kit are genuine ex-BTCC motorsport components which are inspected and professionally skimmed before supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring braking, pad material forms a transfer layer on the rotor surface. Different brake pad compounds use different friction materials, and introducing a new compound onto an existing transfer layer can contribute to uneven deposits, vibration or inconsistent bedding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProfessional skimming removes the previous braking surface and pad transfer layer, providing a clean, refreshed face ready for the new pad compound selected with the kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis provides:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA fresh rotor surface for bedding in new brake pads\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemoval of previous pad deposits and transfer material\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGreater flexibility when choosing brake pad compounds\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMore consistent initial bedding\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReduced risk of incompatible pad transfer layers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA cleaner starting point for the complete braking system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe rotors remain \u003c\/span\u003eex-BTCC components\u003cspan\u003e, so cosmetic marks and evidence of previous motorsport use should still be expected. Skimming refreshes the braking faces rather than making the rotor a new component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eChoose Your Brake Pad Compound\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe kit can be supplied with a choice of new motorsport brake pads, allowing the braking characteristics to be matched to the way the car is used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePagid RSL29\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEndurance-focused compound with excellent modulation, consistency and pad life. A strong choice for longer track sessions and drivers prioritising predictable braking behaviour.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePFC 11\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHigh bite with excellent modulation and release characteristics. Ideal for drivers wanting a sharper, more responsive pedal feel for hard track and sprint use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFerodo DSUNO\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHigh-performance race compound with strong braking torque, excellent control and good high-temperature performance. Well suited to heavy track use and demanding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFerodo DS3000\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAggressive race compound with very strong initial bite. Best suited to sprint, competition and track applications where maximum response is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOther brake pad compounds are also available upon request. If you require a specific manufacturer or compound, contact XC3 and we can advise on compatibility and availability for the AP Racing CP9660 caliper.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe BMW E9X M3 is an extremely capable road and track platform, but repeated heavy braking can expose the limitations of the factory front brake system. Increased vehicle speed, higher-grip tyres and sustained track use all generate significantly greater braking temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe XC3 BTCC Big Brake Kit combines the \u003c\/span\u003eAP Racing CP9660 six-piston caliper\u003cspan\u003e with a large 368mm x 36mm floating rotor to increase thermal capacity and provide more consistent braking performance during repeated high-temperature use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe floating rotor assembly allows controlled radial expansion as rotor temperature increases, helping minimise stress between the rotor and aluminium bell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eXC3-designed rotor bells and caliper brackets correctly position the AP Racing hardware on the E9X M3, maintaining accurate caliper alignment, rotor positioning and pad sweep.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAP Racing bobbins and anti-rattle clips are available separately from XC3.\u003cspan\u003e Anti-rattle clips can be used to reduce the characteristic noise associated with floating brake hardware, while replacement bobbins allow the floating assembly to be serviced as required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAP Racing CP9660 Pro 5000 R six-piston calipers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChoice of Anodised Grey or Nickel Plated finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfessionally skimmed ex-BTCC 368mm x 36mm floating rotors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFresh braking surface ready for pad bedding\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChoice of four new motorsport brake pad compounds\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdditional pad compounds available upon request\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eXC3 anodised aluminium rotor bells\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eXC3 anodised caliper mounting brackets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGenuine AP Racing floating bobbin hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplacement bobbins and anti-rattle clips available separately\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBraided front brake lines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-tensile mounting hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned specifically for BMW E9X M3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eXC3 manufactured components covered by our Lifetime Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eWhy Buy from XC3\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eXC3 Engineering designs and manufactures the vehicle-specific components required to correctly integrate AP Racing motorsport hardware with the BMW E9X M3.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur rotor bells and caliper brackets are engineered for accurate fitment, correct brake geometry and demanding road and track use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy supplying the ex-BTCC rotors professionally skimmed and pairing them with a \u003c\/span\u003enew brake pad compound of your choice\u003cspan\u003e, the kit provides a much cleaner starting point for correct pad bedding and allows the braking setup to be matched to the intended use of the car.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEvery XC3-manufactured component is covered by our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLifetime Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eXC3 Big Brake Kit customers also receive access to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ediscounted replacement brake consumables\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, including pads, rotors, bells and service hardware, helping reduce the long-term running costs of the braking system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBMW M3 E90\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBMW M3 E92\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBMW M3 E93\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBMW M3 E9X platform\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProfessional installation is required. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Anodised Grey \/ Without Pads","offer_id":67760608182662,"sku":"sku-53246247010571","price":3195.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ Pagid RSL 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