The Brembo Big Brake Kit for 2005–2008 7-Series (after 3/5 production) rear applications upgrades the OE rear setup with GT four-piston cast calipers and two-piece 345 x 28 mm slotted rotors in silver. This direct-fit rear kit is a factory-style replacement that installs as a complete rear braking assembly with larger diameter two-piece rotors and multi-piston calipers for improved braking control.
Brembo 05-08 7-Series (After 3/5 Prod) Rr GT BBK 4Pist Cast 2pc 345x28 2pc Rotor Slot Type1-Silver