The Brembo rear GT big brake kit for 2011–2016 BMW 528i is a four-piston rear setup fitted with 345×28 mm two-piece cast rotors. This variant lists slotted Type‑3 rotors and a black finish, identified for the 528i rear application and matching the rotor and caliper specifications in the description.
Brembo 11-16 528i Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type3-Black