The Brembo rear GT big brake kit for 2006–2012 BMW 325i/328i (excluding xDrive) upgrades rear braking with four-piston cast calipers and 345×28 mm two-piece slotted rotors, Type 1, finished in yellow. This direct-fit rear kit swaps in larger rotors and multi-piston calipers to replace factory rear assemblies while maintaining the vehicle-specific mounting and compatibility noted in the fitment.
Brembo 06-12 325i/328i (Excl. xDrive) Rear GT BBK 4 Pist Cast 345x28 2pc Rotor Slotted Type1-Yellow