The Brembo rear GT big brake kit for 2007–2013 BMW X5 is a rear-axle upgrade with four-piston cast calipers and 380×28 mm two-piece rotors. This version specifies drilled rotors finished in fluorescent yellow and includes the rotor and caliper assemblies sized for rear replacement, offered to match the X5 fitment detailed in the description.
Brembo 07-13 X5 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Fluo. Yellow