CNC Laser cut Aluminised Steel template
XC3 Toe Lockout Shims eliminate this weak point by replacing the eccentric adjustment with a fixed
and engineered for perfect alignment
and ease of installation - with no welding
The XC3 BTCC Big Brake Kit solves this by pairing genuine motorsport-derived 368mm x 36mm floating BTCC rotors with AP Racing CP9668 endurance calipers
BMW M2 M3 M4 F80 F82 F87 Caliper Carrier – BTCC Rotor Upgrade for AP Racing CP9660 Caliper | XC3 Engineering Brake Calipers CNC Laser cut Aluminised SteelProduct Overview This high precision caliper carrier from XC3 Engineering is the essential link between your F8X BMW (M2, M3, or M4) wheel hub and a big brake setup. CNC machined from 6082 T6 aluminium, anodised for durability, and engineered for perfect alignment it allows fitment of the AP Racing 5000R CP9660 calipers and BTCC spec rotors on F8X chassis. Ideal for clubsport, track day, or high performance street builds, it ensures safe, consistent