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:
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
READ NEXT:
REMOVING AND INSTALLING/REPLACING CONTROL UNIT FOR VERTICAL
DYNAMICS MANAGEMENT
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminar
IMPORTANT: Risk of damage!
Extreme cleanliness must be ensured in the connection area of the vent
lines
during removal and installation. Even the smallest of dirt particles can cause
leakage in the a
SEE MORE:
IMPORTANT: Do not carry out chassis/wheel alignment without load:
If the technical preconditions for alignment with ride height
input are not
in place
If, in spite of repairs having been carried out, the car's ride
height between
the left and right sides is still outside the tolerance
If t
Special tools required:
23 0 490
27 1 460 DRIFT
IMPORTANT: After completing work, check gear oil level, see
Replenishing /Changing
Transfer Case Oil (ATC 700) and top up if necessary.
Use only approved gear oil in this transfer box.
Necessary preliminary tasks:
Remove transfer box
Drive a h