The R1 Concepts Geo-Carbon drilled rotor for 2008–2013 BMW 135is (rear left) is specified for the rear-left application on sport-oriented 1 Series models. Featuring a drilled braking surface, it aids heat dispersion and assists pad debris clearance when renewing a worn rear rotor. This rotor is intended as a replacement for the listed 135is model years and wheel position.
R1 08-13 BMW 135Is Rear Left Geo-Carbon Rotor