The R1 Concepts slotted brake rotor for 1988–1991 BMW M3 is a front-left replacement finished in black. Identified in the listing as the front-left rotor for those model years, it carries the slotted profile cited in the source. This overview helps buyers confirm they are selecting the correct front-left slotted rotor for BMW M3 applications spanning 1988–1991.
R1 88-91 BMW M3 Front Left Slotted Black Brake Rotor