The Brembo big brake kit for BMW M3 (2015–2018) specified for models with carbon‑ceramic brake equipment upgrades the rear with four‑piston cast calipers and two‑piece 380×28 mm rotors. This GT kit uses slotted Type‑1 rotors finished in white to improve heat management and pedal response under demanding use while matching the car’s rear brake application.
Brembo 15-18 M3 (CC Brake Eqpt) Rr GT BBK 4Pis Cast 380x28 2pc Rotor Slotted Type1-White