The Brembo GT rear big brake kit for 2012–2014 BMW 328i (excluding xDrive) M Sport applications fits the rear with 4‑piston cast calipers and 345×28 mm two-piece drilled rotors, finished in yellow. Specified as a rear GT BBK, the two-piece drilled rotors and multi‑piston calipers provide enhanced heat dissipation and modulation for improved control on spirited streets or track days.
Brembo 12-14 328i Excl xDrive/MSport Brakes Rr GT BBK 4Pis Cast 345x28 2pc Rotor Drilled-Yellow