2010-2014 BMW X6 M (E71) Carbon Ceramic Brake Rotors C-Class You keep the C8 caliper

You keep the C8 caliper bodies and pistons

which you keep and reuse

so it fits within the same wheel envelope as your original setup with no clearance change

the factory iron rotors sit largely unused and grow surface rust that causes grinding and uneven bite

2010-2014 BMW X6 M (E71) Carbon Ceramic Brake Rotors C-Class You keep the C8 caliperReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2010 2014 BMW X6 M (E71). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size X6 M 395mm 385mm 20" Keep Your Factory Calipers? Keep them if the front calipers are fixed 4 piston or more the rear axle qualifies regardless. Front 1 or 2 piston