The Brembo GT big brake kit for 2004–2010 BMW 5‑Series (excluding xDrive and M5) is specified for rear fitment and includes cast four‑piston calipers with two‑piece 345×28 mm slotted rotors in red. This rear kit description provides the piston count, two‑piece rotor construction, rotor sizing and slotted rotor styling for the stated 5‑Series applications and the red finished caliper color noted in the source text.
Brembo 04-10 5-Series (Excl. xDrive/M5) Rr GT BBK 4Pist Cast 2pc 345x28 2pc Rotor Slotted Type1-Red