BMW X5: Replacing Air Supply Unit (Version With Dynamic Drive)
WARNING: Danger of injury! Drain the air spring system before carrying out any work on the air supply unit, air pipes and air springs! Danger of injury if this instruction is not complied with! Risk of damage! Extreme cleanliness must be ensured in the connection area of the pipes during removal and installation. Even the smallest of dirt particles can cause leakage in the air spring system.
NOTE: Read and comply with notes on air spring system.
Necessary preliminary tasks:
- Deactivate and empty air spring system.
- Remove right underbody panelling.
- Remove right tank underride protection.
Release screw pins (1) and open holder.
Installation:
Replace screw pins.
Tightening torque, see 37 14 22AZ in 37 14 ELECTRIC COMPONENTS
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Fig. 89: Identifying Screw Pins
Expose control lines (1) up to front tension strut.
Remove connecting line for valve block from holder (3).
Release nuts (2) and remove valve block from body.
Installation:
Replace self-locking nuts.
Tightening torque, see 37 14 10AZ in 37 14 ELECTRIC COMPONENTS
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Fig. 90: Identifying Control Lines And Nuts
Further procedure is identical to:
- Replacing air supply unit.
After installation:
- Activate and fill air suspension system.
REPLACING AIR SUPPLY UNIT
WARNING: Danger of injury! Drain the air spring system before carrying out any work on the air supply unit, air pipes and air springs! Danger of injury if this instruction is not complied with! Risk of damage! Extreme cleanliness must be ensured in the connection area of the pipes during removal and installation. Even the smallest of dirt particles can cause leakage in the air spring system.
NOTE: Read and comply with notes on air spring system.
Necessary preliminary tasks:
- Deactivate and empty air spring system.
- Remove right underbody panelling.
IMPORTANT: Do not kink, twist or crush lines
Disconnect plug connections (1-3).
Disconnect quick-connect coupling (4) and seal both lines with adhesive tape.
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Fig. 91: Identifying Quick-Connect Coupling And Plug Connections
Release banjo bolts (1, 2).
Lay pipes to one side and seal off with adhesive tape.
Installation:
Check banjo bolts for dirt, clean if necessary. Then carefully screw in banjo bolts by hand to avoid damaging the plastic threads and with it the air supply unit.
Tightening torque, see 37 12 1AZ in 37 12 CONTROL AND SUSPENSION SYSTEMS, REAR
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Fig. 92: Identifying Banjo Bolts
Unscrew nuts (1).
Remove air supply unit (2).
Installation:
Replace self-locking nuts.
Tightening torque, see 37 22 1AZ in 37 22 PUMP UNIT WITH RESERVOIR
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Fig. 93: Identifying Air Supply Unit And Nuts
After installation:
- Activate and fill air suspension system.
TROUBLESHOOTING
TROUBLESHOOTING ON DYNAMIC DRIVE (ARS)
TROUBLESHOOTING CHART
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READ NEXT:
Danger Of Poisoning If Oil Is Ingested/Absorbed Through The Skin
Danger of poisoning!
Ingesting oil or absorbing through the skin may cause poisoning!
Possible symptoms are:
Headaches
Dizziness
Stomach aches
Vomiting
Diarrhoea
Cramps/fits
Unconsciousness
P
SEE MORE:
Rear-end collision
preparation
Principle
Depending on the equipment and national-market
version, the rear-end collision preparation can
react to vehicles approaching from behind.
General information
Radar sensors monitor the area behind the vehicle.
When a vehicle approaches from the rear at a
certain speed, the system can reac
Air Pump, Lines And Connectors
REMOVING AND INSTALLING/REPLACING AIR PUMP (N62)
Remove upper section of intake filter housing.
Release retaining screws on coolant expansion tank.
Remove suction filter housing.
Remove raw air housing.
Unlock and disconnect pressure and suction lines (1).
Loosen screws (2).
Loosen screw (3).
