The Brembo rear GT big brake kit for 2007–2013 X5 applications pairs a four-piston cast caliper with a 380 x 28 mm two-piece slotted rotor finished in black. Specified for rear fitment on X5 models, the GT kit supplies multi-piston calipers and serviceable two-piece rotors as a vehicle-specific upgrade designed to replace the factory rear braking assembly.
Brembo 07-13 X5 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type1-Black