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Description
AP Racing CP9660 BTCC Big Brake Kit for BMW F8X
This complete XC3 Engineering front big brake conversion is designed for BMW F8X M cars, combining AP Racing CP9660 6-piston nickel-plated calipers with XC3 vehicle-specific hardware and 368x36mm motorsport brake rotors.
The package is aimed at drivers who want a serious braking upgrade for track-day and motorsport use, with the pad shape, caliper platform and rotor size commonly associated with proven competition brake packages.
Kit contents
- Pair of AP Racing CP9660 6-piston nickel-plated calipers
- XC3 Engineering vehicle-specific caliper carriers
- XC3 Engineering aluminium rotor bells and mounting hardware
- Pair of 368x36mm ex-BTCC floating brake rotors
- Braided front brake lines
- Brake pad configuration according to the selected kit option
Motorsport component condition
Please note: where this kit is supplied with ex-BTCC brake discs and/or pads, those components are used motorsport parts. Their cosmetic condition and remaining service life can vary. The AP Racing calipers and XC3 conversion hardware form the core of the conversion.
Brake pad options
Pad options for the CP9660 platform can include compounds such as Raybestos ST45 and Project Mu H21, depending on availability and intended use. Contact us if you would like help choosing a compound for road, track-day or circuit use.
BMW fitment
- BMW F87 M2
- BMW F87 M2 Competition
- BMW F80 M3
- BMW F82 M4
- BMW F83 M4
The conversion is designed around the F8X OEM front hub arrangement. Wheel and spoke clearance should always be checked before ordering a large brake conversion.
Explore related BMW braking upgrades
Browse our BMW F87 M2 parts, BMW F80 M3 parts and BMW F82/F83 M4 parts, or compare the wider AP Racing and big brake kit ranges.
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering.
Finance Options
Klarna payment options are available at checkout where eligible.
Why buy from us?
Why buy from us?
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Specifications
- Brand
- XC3 Engineering
- Product type
- Big Brake Kits
- SKU:
- XC3-TS-003
- Vehicle make
- BMW
- Vehicle model
- M2, M3, and M4
- Vehicle variant
- F87, F87C, F80, F82, and F83

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Need help?
Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Can I order this for a modified car?
Existing modifications can change compatibility. Tell us which related parts are already fitted and how you use the car so we can help you check the right specification before ordering.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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