About this part
What it does. Zimmermann SPORT COAT Z Zimmermann 757-150.2988.52 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 Alpina B7. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.