The R1 Concepts Geo-Carbon drilled and slotted brake rotor fits the front left of 1991–2001 BMW 540i models. The drilled-and-slotted face and Geo-Carbon finish cited in the product name contribute to heat management and pad debris removal under normal driving conditions. This rotor is intended as a position-specific replacement to restore a flat braking surface and sustain consistent pedal response.
R1 91-01 BMW 540I Front Left Drilled & Slotted Geo-Carbon Rotor