Custom XC3 Engineering Rotor bells for 368mm x 36mm BTCC Rotors for the BMW M4 F8X application Fitment with AP Racing CP9660 Calipers 6082 T6 Aluminium Precision CNC'd Black anodised for enhanced aesthetics and durability Designed and manufactured in the UK XC3 CNC engraved logo The BMW Custom Rotor Bells feature the widely-used and budget-friendly BTCC rotor. This rotor, known for its impressive performance, has become a go-to choice for Clubsport builds. Used for 1-2 sessions before being replaced, it offers a practical solution for maintaining peak performance.
