BMW X3 (F25) Service & Repair Manual: Electronic damping force adjustment

• Removing and installing/replacing control unit for vertical dynamic control
• Replacing left or right wheel speed accelerator sensor

Removing and installing/replacing control unit for vertical dynamic control

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

• Remove ignition key.
• Disconnect BATTERY NEGATIVE CABLE .
• Remove FLAP IN LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT .

Undo screw (1), release expanding rivets (2) and remove storage compartment.

Unscrew nuts (1).

Unlock connector (2) and remove.

Remove control unit.

After installation:

• Replacement only: Carry out PROGRAMMING/ENCODING .
• Start up the VDM with the aid of the diagnosis system.
• Replacement only: Carry out RIDE HEIGHT ADJUSTMENT.

Replacing left or right wheel speed accelerator sensor

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Disconnect plug connection (1) from acceleration sensor on the spring strut.

Release screw (1) and remove sensor.

Installation note:

Check installation position.

Fit wheel speed acceleration sensor with retaining pin (1) into bore hole on the spring strut holder!

After installation:

• Use the diagnosis system to perform the wheel speed accelerator sensor adjustment.