The Brembo rear big brake kit for 2015-2018 M3 models (excluding carbon-ceramic brakes) upgrades rear braking with four-piston cast calipers and two-piece 380x28 slotted Type1 rotors. Offered in a black finish, the kit enhances rear stopping balance and heat management for performance-oriented street or track use, providing a direct rear brake upgrade for applicable M3 variants without CC brakes.
Brembo 15-18 M3 Excl CC Brakes Rr GTS BBK 4Pis Cast 380x28 2pc Rotor Slotted Type1-Black HA