2014-2020 BMW M4 / Competition (F82/F83) Carbon Ceramic Brake Rotors A-Class and the E53's 370mm front

and the E53's 370mm front disc carries a ceramic coating tuned for cold engagement

so it only applies when your front caliper is 4-piston or more — which covers the FR's 10-piston AP Racing front fronts and the multi-piston 001 setups

it is not covered here because those cars do not use the Shelby caliper and rotor package

You reuse those factory calipers and bolt on our carbon-ceramic discs

StopFlex tunes around it — the pad compound and the disc's ceramic coating are both optimized for cold starts

2014-2020 BMW M4 / Competition (F82/F83) Carbon Ceramic Brake Rotors A-Class and the E53's 370mm frontReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2014 2020 BMW M4 Competition (F82 F83). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size M4 380mm, 400mm (CCB) 370mm, 380mm (CCB) 20" Keep Your Factory Calipers? The rule is simple: front factory calipers must be 4 piston or more; the rear