The Brembo Big Brake Kit for 2006–2008 Z4 M-Coupe and M-Roadster rear applications upgrades rear brakes with GT four-piston cast calipers and two-piece 345 x 28 mm slotted rotors in silver (Type 1). This rear direct-fit kit replaces stock components with two-piece rotors and multi-piston calipers, supplying larger rotor diameter and upgraded caliper hardware for improved braking component capacity.
Brembo 06-08 Z4 M-Coupe/Roadster Rr GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type1-Silver