BMW M3 E9X / E92 BTCC Custom Rotor Bells – 368 mm x 36 mm for AP Racing CP9660 Calipers | XC3 Engineering M135i (F20 & F21) 1 x TREVORA Carbon Fibre

1 x TREVORA Carbon Fibre TR87 Rear Diffuser (Pre-Preg 2x2 Weave)

According to manufacturer - “very kind to the rotor

Replaces OEM part number: 33172284774 &

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BMW M3 E9X / E92 BTCC Custom Rotor Bells – 368 mm x 36 mm for AP Racing CP9660 Calipers | XC3 Engineering M135i (F20 & F21) 1 x TREVORA Carbon FibreProduct Overview 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