The Brembo GTS rear brake kit for 2008–2013 BMW 135i (E81/E82/E88) equips the rear with a four-piston cast caliper and 345×28mm two-piece drilled rotors in black. This factory-compatible kit swaps in larger calipers and two-piece rotors to increase braking capacity and rotor serviceability. Fitment is specified for the 2008–2013 135i E81/E82/E88 applications as listed.
Brembo 08-13 135i (E81/E82/E88) Rear GTS BBK 4 Piston Cast 345x28 2pc Rotor Drilled-Black HA