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).
.png)
Fig. 67: Identifying Insulating Mat
Disconnect plug connection (1).
Unlock catch (2) and remove control unit (3).
.png)
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
.png)
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).
.png)
Fig. 70: Identifying Insulating Mat
Disconnect plug connection (1).
Unlock catches (2) and remove control unit (3).
.png)
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.
.png)
Fig. 72: Identifying Screw
Pull relay (1) from fuse box.
.png)
Fig. 73: Identifying Relay
READ NEXT:
Electronic Damping For
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
Replacing Lower Vent Line
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:
Fuel Volume Testing
Some driveability concerns are related to incorrect fuel volume. Vehicles
with lack of power complaints and
mixture related fault codes may have insufficient fuel volume supplied to the
fuel injection system. These
vehicles may actually pass a fuel pressure test.
Fuel volume issues can be caused
Replacing Pulse Generator On Inlet Camshaft (N52K)
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules
Switch off ignition
Lever out expansion rivets (1).
Press lock (2) and raise in
