The R1 Concepts drilled-and-slotted brake rotor is a black replacement specified for the rear-left position on 1984–1991 BMW 325is. The listing identifies the rotor as drilled and slotted with a black finish for that application. Verify the rear-left designation and model years when purchasing to make sure this rotor matches your vehicle's fitment.
R1 84-91 BMW 325IS Rear Left Drilled & Slotted Black Brake Rotor