The Brembo GT big brake kit for 1999-2005 BMW 330i (excluding xDrive) rear applications pairs a four-piston cast caliper with two-piece 345x28 mm drilled rotors to improve rear braking control. The kit includes drilled two-piece rotors and a black caliper finish, offering robust replacement hardware suited to heavier street demands and occasional track exposure.
Brembo 99-05 330i (Excl. xDrive) Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Drilled-Black