The Brembo rear GT big brake kit for 2005–2008 BMW 7‑Series (production after March 5) installs four-piston cast calipers and 345×28 mm two-piece slotted rotors, Type 3, in a black finish. This direct-fit rear package swaps factory rear components for larger rotors and multi-piston calipers matched to the 7‑Series production subset identified in the fitment text.
Brembo 05-08 7-Series (After 3/5 Prod) Rear GT BBK 4 Pist Cast 345x28 2pc Rotor Slotted Type3-Black