The Brembo GT big brake kit for 2000–2006 BMW X5 (E53) is a rear four-piston package pairing cast two-piece calipers with 345 x 28 mm two-piece slotted Type‑3 rotors in red. Built as a vehicle-specific rear upgrade, the assembly replaces factory components to provide larger rotors and four-piston calipers, improving braking consistency and heat dispersion under heavier loads or spirited driving.
Brembo 00-06 X5 (E53) Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type-3-Red