BMW M3 E9X / E92 BTCC Custom Rotor Bells – 368 mm x 36 mm for AP Racing CP9660 Calipers | XC3 Engineering
BMW M3 E9X / E92 BTCC Custom Rotor Bells – 368 mm x 36 mm for AP Racing CP9660 Calipers | XC3 Engineering
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Description
Upgrade your BMW M3 E9X or E92 with our bespoke BTCC-spec rotor bells from XC3 Engineering. Machined to exact tolerances to mate 368 mm × 36 mm rotors to your stock hub, these bells ensure correct fitment and geometry for use with AP Racing CP9660 calipers. Perfect for track builds, clubsport cars, or performance road setups — delivering precise rotor alignment, reliable braking performance, and long-term durability.
Kit Details and Contents:
- 6082 T6 Aluminium
- Precision CNC'd
- Black anodised for enhanced aesthetics and durability
- Designed and manufactured in the UK
- XC3 CNC engraved logo
Fitment:
BMW M2 M3 M4 F8X with OEM Front Hubs



