The R1 Concepts black drilled-and-slotted brake rotor for 2003–2006 BMW Z4 (rear right) is a vehicle-specific rotor with drilled and slotted braking surfaces and a black finish. It fits the rear-right position on those Z4 model years and is supplied to match the vehicle application, restoring proper rotor placement and function at that axle.
R1 03-06 BMW Z4 Rear Right Drilled & Slotted Black Brake Rotor