The Brembo rear brake kit for 2006–2008 BMW Z4 M Coupe and Roadster fits as a GTS upgrade using four-piston calipers and cast two-piece 345 x 28 mm drilled rotors in black. This rear BBK offers improved braking response and heat management through larger, serviceable rotors and a multi-piston caliper package designed to match the Z4 M’s performance requirements.
Brembo 06-08 Z4 M-Coupe/Roadster Rear GTS BBK 4 Piston Cast 345x28 2pc Rotor Drilled-Black HA