BMW X 6 XDrive service brake rbt

Front wheels in the rollers
Ensure the servo is not depleted
Select N
Engine and ignition off ( the brakes will apply automatacally as soon as rollers start if either on on)
Rear wheels chocked
EPB off
( Don't apply the EPB during the service brake test as it applies the service brake )
Start the rollers
Apply the service brake to achieve the required efforts.
Repeat the procedure to test the rear brakes
Ensure servo is not depleted during testing.