About this part
What it does. Raybestos Brakes Raybestos R-Line Disc Brake Hardware Kit Raybestos Brakes 748-H18101A is the disc the brake pads clamp onto to convert motion into heat and stop the wheel.
Symptoms that point to this part
- Pulsing brake pedal or steering wheel shudder
- Deep scoring or a lip on the disc face
- Blue heat spotting
Service note. Rotors are replaced in pairs per axle, together with fresh pads.
Fitment. Catalogued as fitting 2021 BMW X3, 2019 BMW I3, 2019 BMW 530i Xdrive. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.