2012-2017 Audi S8 (D4) Carbon Ceramic Brake Rotors X5 swapping the iron discs for

swapping the iron discs for carbon-ceramic discs mounted to matched hats with floating hardware

since the larger 400mm Competition front rotor needs more caliper-window clearance than the 380mm base front

so repeated hard stops on the RS's power don't cook the friction surface the way a worn setup does

Direct Replacement CCB Discs (Retain Factory Calipers) for the 2006-2010 BMW M5 (E60/E61)

The rule is simple: front factory calipers must be 4-piston or more

2012-2017 Audi S8 (D4) Carbon Ceramic Brake Rotors X5 swapping the iron discs forReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2012 2017 Audi S8 (D4). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size S8 400mm, 380mm (CCB) 356mm 20" Keep Your Factory Calipers? Yes if your front factory calipers are fixed 4 piston or more. The rear axle has no restriction. Cars with