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).
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Fig. 67: Identifying Insulating Mat
Disconnect plug connection (1).
Unlock catch (2) and remove control unit (3).
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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
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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).
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Fig. 70: Identifying Insulating Mat
Disconnect plug connection (1).
Unlock catches (2) and remove control unit (3).
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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.
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Fig. 72: Identifying Screw
Pull relay (1) from fuse box.
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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:
Tire pressure monitor
Principle
The Tire Pressure Monitor monitors the tire
pressure and issues a warning if the tire pressure
has dropped.
General information
Sensors in the tire valves measure the tire inflation
pressure and tire temperature.
Using the tire settings in iDrive, the system can
automatically compare the
Ignition Wires, Spark Plugs
FIRING ORDER
Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
12 1 171
12 1 172
Necessary preliminary tasks:
Switch off ignition
Remove all IGNITION COILS.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with sp
