The Brembo GT rear big brake kit for 2006–2008 BMW Z4 M Coupe/Roadster installs with four-piston cast calipers and two-piece 345×28 mm slotted rotors in a black finish. Specified for rear axle replacement, the slotted rotor design helps clear gases and debris while improving cooling for more consistent stopping performance.
Brembo 06-08 Z4 M-Coupe/Roadster Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type1-Black