Mobile brake disc lathe
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Only BMW-approved brake disc lathes may be used!
In the case of mobile brake disc lathes, the brake calipers and brake anchor plates must be removed.
The brake discs remain on the car.
Refer to the equipment manufacturer's instruction manual for the exact procedure.
After fine-grinding the brake discs, measure the THICKNESS DIFFERENCE inside the braking surfaces at 8 points with an external micrometer.