The Brembo Rear GT big brake kit for 2001–2006 BMW M3 is a four-piston cast rear brake package that replaces the stock rear assembly to deliver firmer, more consistent stopping and an aggressive aesthetic. It includes 345×28 mm two-piece slotted Type-1 rotors paired with cast four-piston calipers finished in yellow for a standout rear brake appearance.
Brembo 01-06 M3 Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-1- Yellow