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The Brembo rear GT big brake kit for 2015–2018 BMW M3 (excluding Competition models) uses four-piston cast calipers with 345x28 mm two-piece slotted Type-1 rotors in black. Designed as a rear direct-fit package, the kit installs larger calipers and two-piece rotors to enhance heat management and braking modulation for non-Competition M3 variants.
Brembo 15-18 M3 Excl CC Brake Rr GT BBK 4Pis Cast 345x28 2pc Rotor Slotted Type1-Black
