The R1 Concepts black drilled-and-slotted brake rotor for 2003–2008 BMW Z4 (rear left) is a vehicle-specific rotor featuring drilled and slotted braking surfaces and a black finish. Designed for the rear-left position on those Z4 model years, it provides a matching replacement rotor to reestablish proper fit and function for the specified axle.
R1 03-08 BMW Z4 Rear Left Drilled & Slotted Black Brake Rotor