The R1 Concepts drilled-and-slotted brake rotor for 1978–1981 BMW 733i (rear right) is a black rotor described for that rear position across the stated years. The product listing highlights the drilled and slotted braking surface for the named application. Install this rotor when replacing the rear right brake rotor on applicable 1978–1981 BMW 733i models, confirming fitment details beforehand.
R1 78-81 BMW 733I Rear Right Drilled & Slotted Black Brake Rotor