The Brembo rear GT big brake kit for 2015–2018 M3 (excluding cars with carbon-ceramic brakes) pairs four-piston cast calipers with 380 x 28 mm two-piece slotted rotors in white (Type 3 slot). Supplied as a rear direct-fit kit, it includes two-piece rotors and matching hardware, offering a serviceable replacement option specifically for non-CC-equipped M3 rear braking systems.
Brembo 15-18 M3 Excl CC Brakes Rr GT BBK 4Pis Cast 380x28 2pc Rotor Slotted Type3-White