The Brembo GT big brake kit for 2004–2010 BMW 5‑Series (excluding xDrive and M5) is a rear-axle kit featuring cast four‑piston calipers with two‑piece 345×28 mm slotted Type 3 rotors in silver. Specified for the listed 5‑Series rear application, the description records the 4‑piston calipers, 2‑pc rotor construction, rotor sizing and slot type used in this kit configuration.
Brembo 04-10 5-Series (Excl. xDrive/M5) Rr GT BBK 4Pist Cast 2pc 345x28 2pc Rotor Slot Type3-Silver