The R1 Concepts drilled-and-slotted brake rotor for 1984–1985 BMW 318i (front left) is a black rotor specified for that front corner and year span. The product description notes the drilled and slotted braking face for the listed application. Replace the front left rotor on 1984–1985 BMW 318i vehicles with this part, verifying the model year and side for correct compatibility.
R1 84-85 BMW 318I Front Left Drilled & Slotted Black Brake Rotor