The R1 Concepts drilled-and-slotted brake rotor is a black replacement specified for the rear-right position on 1984–1991 BMW 325i (USA/Canada). The catalog description lists a drilled and slotted braking surface and a black finish for that application. Confirm the rear-right position and the applicable model years against your vehicle details before ordering to ensure compatibility.
R1 84-91 BMW 325I (USA/Canada) Rear Right Drilled & Slotted Black Brake Rotor