IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been
Fig. 103: Identifying Electronic Components
DSC control unit
Rotation rate sensor
Brake-pad-wear sensor
Pulse generator
REMOVING AND INSTALLING / REPLACING DSC CONTROL UNIT
IMPORTANT: Read and
Necessary preliminary tasks:
Remove both brake discs.
Set workshop mode in BMW diagnosis system.
Path:
Function selection
Service functions
Chassis
Parking brake
Workshop mode
NOTE: This facilitates removal as the EMF approaches the outer
position.
Open flap in luggage compartme
Special tools required:
34 1 280.
Necessary preliminary tasks:
Remove wheels.
Remove and clean brake pads.
After completing work:
Adjusting handbrake.
Read and comply with notes on braking in new brake discs / brake pads.
Check minimum brake disc thickness:
Position special tool 34 1 2