The R1 Concepts drilled-and-slotted brake rotor for 1982–1989 BMW 635CSi (front left) is a black rotor specified for that front position and year span. The description identifies the drilled and slotted surface and the applicable model years. Use this rotor to replace the front left brake rotor on 1982–1989 BMW 635CSi cars, confirming vehicle year and side for proper fitment.
R1 82-89 BMW 635CSI Front Left Drilled & Slotted Black Brake Rotor