The Brembo big brake kit for 2001–2006 BMW M3 is a rear GTS package featuring four‑piston cast calipers and two‑piece 345×28 slotted Type‑3 rotors in black. Built to enhance rear braking stability and heat dispersion, the Type‑3 slots aid pad bite and debris removal under heavy use, and the two‑piece rotor construction simplifies maintenance without sacrificing structural strength.
Brembo 01-06 M3 Rear GTS BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-3-Black HA