2014-2020 BMW M4 / Competition (F82/F83) Carbon Ceramic Brake Rotors A-Class first-stop feel from a cold

first-stop feel from a cold car is now very close to summer feel

The rotors are trim-specific because the W206/S206 uses different factory sizes per trim

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

We addressed it two ways — the low-metallic resin-composite pad compound and the disc's ceramic coating are both tuned for cold starts

2014-2020 BMW M4 / Competition (F82/F83) Carbon Ceramic Brake Rotors A-Class first-stop feel from a coldReal 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