{"product_id":"bmw-m3-e90-e92-e93-25mm-endurance-btcc-big-brake-kit-ap-racing-cp9668-368mm-front-brake-upgrade-xc3-engineering","title":"BMW M3 E90 E92 E93 25mm Endurance BTCC Big Brake Kit – AP Racing CP9668 368mm Front Brake Upgrade | XC3 Engineering","description":"\u003ch4\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade the braking performance of your BMW E9X M3 with the XC3 BTCC Big Brake Kit featuring AP Racing CP9668 Pro 5000 R six-piston endurance calipers. Built around ex-BTCC 368mm x 36mm floating rotors, 25mm brake pads and XC3 precision-engineered mounting components, this complete front brake upgrade is designed for fast road, track day and endurance use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe CP9668 caliper uses a deeper 25mm pad compared with the 18mm pad used in the CP9660, giving increased pad volume, longer consumable life and improved suitability for repeated high-temperature braking.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing CP9668 Pro 5000 R six-piston endurance calipers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChoice of Anodised Grey or Nickel Plated caliper finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFull-depth 25mm brake pad format\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEx-BTCC 368mm x 36mm floating brake rotors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 6082-T6 billet aluminium rotor bells\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 6082-T6 billet aluminium caliper brackets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing floating bobbin hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional anti-rattle clips available\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBraided front brake lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChemi black high-tensile bracket hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eChoice of 25mm Endurance Brake Pads\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for BMW E9X M3 with OEM front hubs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 manufactured components covered by our Lifetime Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BMW E9X M3 is a highly capable road and track platform, but repeated heavy braking can quickly expose the limits of the factory braking system. Long braking zones, high-grip tyres, increased vehicle speed and repeated heat cycles all place greater demand on the front brakes, leading to increased pad wear, reduced consistency and a greater risk of brake fade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe XC3 BTCC Big Brake Kit solves this with a motorsport-derived braking package built around 368mm x 36mm floating BTCC rotors and AP Racing CP9668 endurance calipers. The larger rotor size increases thermal capacity, while the floating bobbin assembly allows controlled rotor expansion under temperature. The CP9668’s 25mm pad format gives more friction material volume than the CP9660, making it better suited to longer sessions and endurance-focused use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCustomers can choose between Anodised Grey calipers for a motorsport-style finish or Nickel Plated calipers for a premium, corrosion-resistant appearance. Optional anti-rattle clips are also available for customers who want to reduce floating rotor hardware noise while retaining the benefits of a floating disc assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eXC3-designed bells and caliper brackets ensure correct rotor positioning, caliper alignment and pad sweep on the E9X M3 chassis. The supplied rotors are inspected ex-BTCC components, allowing customers to access high-level motorsport hardware at a more cost-effective price point than a fully new equivalent setup. Some cosmetic marks and signs of previous motorsport use should be expected.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhy Buy from XC3\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eXC3 Engineering designs and manufactures key brake kit components in the UK, including our vehicle-specific rotor bells and caliper brackets. Every XC3-manufactured component is developed for accurate fitment, correct brake geometry and real-world track use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOur manufactured components are covered by the XC3 Lifetime Warranty, giving you confidence that your brake kit is supported by proper engineering, not just supplied as a collection of parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAll XC3 Big Brake Kit customers also receive 10% off future replacement brake consumables, including pads, rotors, bells and service hardware, helping reduce long-term running costs.\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\u003cspan\u003e2 x AP Racing CP9668 six-piston endurance calipers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChoice of Anodised Grey or Nickel Plated caliper finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 x ex-BTCC 368mm x 36mm floating brake rotors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 x XC3 6082-T6 billet aluminium rotor bells\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 x XC3 6082-T6 billet aluminium caliper brackets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 x AP Racing floating bobbin kits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional anti-rattle clips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 x pair braided front brake lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChemi black high-tensile mounting hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1 x set of Endurance Brake Pads \u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eBrake Pad Comparison Table — CP9668 Endurance Caliper\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eBrake pad\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eModulation \/ control\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eBite level\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eBest for this customer\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePagid Racing RSL29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVery good\u003c\/td\u003e\n\u003ctd\u003eLow-medium \/ medium\u003c\/td\u003e\n\u003ctd\u003eBest for customers who want consistency, long pad life, good disc life and confidence over longer track sessions. A strong all-round endurance and track day option for customers who do not want an overly aggressive pad.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePFC 11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVery good\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eBest for customers who want more bite, sharper response and strong braking power. Well suited to harder track driving, sprint use and customers who prefer a more aggressive pedal feel than RSL29.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFerodo DSUNO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVery good\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eBest for customers generating more brake temperature who want a serious race pad with strong torque, good control, long life and disc-friendly behaviour. A strong choice for heavy cars and demanding track use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eQuick Customer Guide\u003c\/h4\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eCustomer use\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eBest pad choice\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eWhy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest all-round endurance option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePagid Racing RSL29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, progressive and confidence-inspiring over longer sessions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustomer wants longest pad\/disc life balance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePagid Racing RSL29 \/ Ferodo DSUNO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBoth are strong options for reducing consumable wear while maintaining serious performance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustomer wants more bite and response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePFC 11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSharper initial bite and stronger pedal response than RSL29.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeavy BMW \/ hard track use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFerodo DSUNO \/ Pagid Racing RSL29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetter suited to repeated heavy braking and high temperatures.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSprint use \/ aggressive driving style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePFC 11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStronger bite and response for customers who want a race-feel pad.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLong sessions \/ endurance use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePagid Racing RSL29 \/ Ferodo DSUNO\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMore suited to consistency, control and pad life over extended use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustomer wants easiest pad to drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePagid Racing RSL29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgressive and less aggressive, making it easier to modulate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eBig Brake Kit Customer Benefit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cbr\u003eCustomers who purchase an XC3 Big Brake Kit receive\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10% off future replacement consumables\u003c\/strong\u003e, including replacement brake pads, discs, bells and hardware. This helps reduce ongoing running costs and makes maintaining your brake kit more affordable over time.\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW M3 E90\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW M3 E92\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW M3 E93\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor vehicles using OEM front hubs. Professional installation required. Wheel clearance must be checked before ordering, especially with aftermarket wheels. These kits may be made to order depending on stock availability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Anodised Grey \/ No \/ No Pads","offer_id":65881913688413,"sku":"sku-53246699536651","price":3495.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ No \/ RSL 29","offer_id":65881913721181,"sku":"sku-53319750549771","price":3995.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ No \/ PFC 11","offer_id":65881913753949,"sku":"sku-53319750582539","price":3895.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ No \/ Ferodo DSUNO","offer_id":65881913786717,"sku":"sku-53319750615307","price":3895.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ Yes \/ No Pads","offer_id":65881913819485,"sku":"sku-53246699569419","price":3595.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ Yes \/ RSL 29","offer_id":65881913852253,"sku":"sku-53319750648075","price":3995.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ Yes \/ PFC 11","offer_id":65881913885021,"sku":"sku-53319750680843","price":3995.0,"currency_code":"GBP","in_stock":true},{"title":"Anodised Grey \/ Yes \/ Ferodo DSUNO","offer_id":65881913917789,"sku":"sku-53319750713611","price":3995.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ No \/ No Pads","offer_id":65881913950557,"sku":"sku-53246699602187","price":3695.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ No \/ RSL 29","offer_id":65881913983325,"sku":"sku-53319750746379","price":4195.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ No \/ PFC 11","offer_id":65881914016093,"sku":"sku-53319750779147","price":4095.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ No \/ Ferodo DSUNO","offer_id":65881914048861,"sku":"sku-53319750811915","price":4095.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ Yes \/ No Pads","offer_id":65881914081629,"sku":"sku-53246699634955","price":3795.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ Yes \/ RSL 29","offer_id":65881914114397,"sku":"sku-53319750844683","price":4295.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ Yes \/ PFC 11","offer_id":65881914147165,"sku":"sku-53319750877451","price":4195.0,"currency_code":"GBP","in_stock":true},{"title":"Nickel Plated \/ Yes \/ Ferodo DSUNO","offer_id":65881914179933,"sku":"sku-53319750910219","price":4195.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/XC3_BTCC_Endurance_Brake_Kit_Main_2_553bcaf3-ab4f-47cd-b0ee-649fb659fb64.jpg?v=1789033898","url":"https:\/\/nineteen72performance.co.uk\/products\/bmw-m3-e90-e92-e93-25mm-endurance-btcc-big-brake-kit-ap-racing-cp9668-368mm-front-brake-upgrade-xc3-engineering","provider":"Nineteen72 Performance","version":"1.0","type":"link"}