BMW X5: Removing And Installing/Replacing Control Unit For Air Supply Unit

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Remove ignition key.
• Disconnect battery negative lead.
• Remove flap in luggage compartment panel on right.

Lift back insulating mat (1).

Fig. 67: Identifying Insulating Mat

Disconnect plug connection (1).

Unlock catch (2) and remove control unit (3).

Fig. 68: Identifying Control Unit And Catch

After installation:

• Replacement only: Carry out programming/coding. See CODING & PROGRAMMING
• Replacement only: Carry out ride-height-calibration.

REMOVING AND INSTALLING / REPLACING TRANSVERSAL-ACCELERATION SENSOR

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

IMPORTANT: Do not kink floor panelling under any circumstances!

Necessary preliminary tasks:

• Remove right front seat.
• Lift carpet and fold back to one side.
• Remove floor inlay.

Release nuts (1), disconnect plug connection (2) and remove lateral acceleration sensor (3).

Installation:

Replace self-locking nuts.

Tightening torque 37 14 7AZ, see 37 14 ELECTRIC COMPONENTS

Fig. 69: Identifying Plug Connection And Lateral Acceleration Sensor

After installation:

• If necessary, carry out initial Dynamic Drive operation.

REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR VERTICAL DYNAMICS MANAGEMENT

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).

Necessary preliminary tasks:

• Remove ignition key.
• Disconnect battery negative lead.
• Remove flap in luggage compartment panel on right.

Lift back insulating mat (1).

Fig. 70: Identifying Insulating Mat

Disconnect plug connection (1).

Unlock catches (2) and remove control unit (3).

Fig. 71: Identifying Control Unit And Catches

After installation:

• Replacement only: Carry out programming/coding.
• Replacement only: Carry out ride-height-calibration.

REMOVING AND INSTALLING/REPLACING AIR SUPPLY UNIT RELAY

After completing work:

• Clear fault memory

Necessary preliminary tasks:

• Remove ignition key.
• Remove trim panel for instrument panel at bottom right.

Release screw (1) and fold down fuse box.

Fig. 72: Identifying Screw

Pull relay (1) from fuse box.

Fig. 73: Identifying Relay

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