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The Brembo Rear GT big brake kit for 2011–2012 BMW 1M applications pairs four-piston cast rear calipers with 380×28 mm two-piece slotted Type‑3 rotors. Finished in yellow, this direct-fit kit targets the listed 1M model years and provides improved rotor ventilation and a firmer rear braking setup compared with many factory rear systems while avoiding unsupported performance claims.
Brembo 11-12 1M Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type-3- Yellow
