The Brembo GT big brake kit for 2008–2013 BMW 135i (E81/E82/E88) rear applications upgrades stopping with four-piston cast calipers and 345×28 mm two-piece drilled rotors in yellow. The kit includes drilled two-piece 345×28 mm rotors paired with 4-piston cast calipers for the rear axle. Rotor drilling and caliper finish are specified as drilled and yellow.
Brembo 08-13 135i (E81/E82/E88) Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Drilled- Yellow