The Brembo Big Brake Kit for 2006–2008 Z4 M Coupe and Roadster rear applications upgrades braking with a direct‑fit four‑piston cast caliper package. It pairs two‑piece 345x28 drilled rotors with the calipers and is finished in silver, providing a direct replacement rear brake assembly for supported Z4 M Coupe/Roadster model years.
Brembo 06-08 Z4 M-Coupe/Roadster Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Drilled-Silver