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The Brembo rear big brake kit for BMW M3 (2001–2006) pairs four‑piston billet calipers with 345x28 mm two‑piece drilled rotors finished in nickel. Offered as a GTR rear BBK, this direct‑fit upgrade improves braking torque and thermal capacity compared to OEM rear components. It’s intended for drivers who want a robust, serviceable rear braking solution for spirited street use and occasional track work.
Brembo 01-06 M3 Rear GTR BBK 4 Piston Billet345x28 2pc Rotor Drilled- Nickel Plated
