BMW F8X M2 / M3 / M4 BTCC AP Racing Big Brake Kit – CP9660 (Complete Kit)

Upgrade your braking performance with the XC3 Engineering BTCC AP Racing Big Brake Kit, designed for the BMW F8X M2 / M3 / M4. Developed using motorsport-proven components, this AP Racing CP9660 6-piston big brake kit delivers exceptional stopping power, improved heat management, and consistent braking performance for both fast road and track use.

The AP Racing CP9660 caliper is widely used in professional motorsport thanks to its lightweight design, superior clamping force, and outstanding durability. Paired with used large BTCC-spec performance brake discs, this complete brake upgrade significantly improves braking performance compared to the factory system.

Whether you're building a track-focused BMW M car, upgrading for spirited road driving, or looking for a high-performance big brake kit, this XC3 Engineering package provides the reliability and stopping power serious drivers demand at a reduced price point. 

Key Features

• AP Racing CP9660 6-piston calipers

• Used BTCC-spec high performance brake discs

• NEW Brake Pads
  

• Improved braking performance, cooling, and fade resistance

• Motorsport-grade components designed for track and performance driving

• Direct fitment for BMW F8X M2 / M3 / M4

Vehicle Fitment

• BMW F8X M2, M2C, M3, M4

• For E9X cars please click HERE

Whats included?

• XC3 Engineering custom anodised rotor bells
• XC3 Engineering custom anodised caliper brackets
• Chemi black bracket hardware 
• 2x AP Racing 6 piston Pro 5000 series R calipers CP9660
• HEL Braided brake lines 
• AP Racing Bobbin kit
• 2x Used BTCC 368mm x 36mm rotors
• Your Choice of NEW Brake Pads. No used pads in our kits. 

The 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.

The XC3 Engineering AP Racing brake kit is ideal for performance builds, track day cars, and high-power BMW M vehicles requiring dependable braking performance.