The Brembo Big Brake Kit for 2001–2006 BMW M3 rear applications includes four‑piston cast calipers and two‑piece 345×28 mm drilled rotors in red. This rear brake assembly pairs four‑piston hardware with two‑piece drilled rotors to increase rotor swept area and assist heat dispersion, while the red finish offers a visible, performance‑oriented appearance.
Brembo 01-06 M3 Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Drilled-Red