BMW X5: Replacing Upper Vent Line For Air Supply Unit
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 air spring system.
Necessary preliminary tasks:
- Remove trim panel for cover on frame side member on right.
- Remove front right wheel arch cover (rear section).
- Remove front right auxiliary turn indicator light.
Release screw (1).
Twist filler duct (2) in direction of arrow out of fluid reservoir for
windscreen washer unit (3) and remove.
If necessary, release vent line (4) at mounting points (5) from fluid reservoir
for windscreen washer unit (3).
Release screws.
Press off side panel slightly.
Installation:
Tightening torque (front side panel to body area, A-pillar): 6 N.m.
Tightening torque (front side panel to body area, A-pillar): 6 N.m.
Disconnect quick-connect coupling (1) and seal lower vent line connection with
sealing plug.
Remove vent line (2) from fluid reservoir for windscreen washer unit.
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Fig. 37: Identifying Quick-Connect Coupling And Vent Line
CHECKING FUNCTION OF LEVEL CONTROL SYSTEM
Carry out fault interrogation with BMW diagnosis system.
CARRYING OUT RIDE-HEIGHT-CALIBRATION
NOTE: Ride-height-calibration must be carried out after the following
work:
- Removal/replacement of ride-height sensor or its control rod
- Replacement of wiring harness
- Replacement of air supply unit control unit
- Replacement of Vertical Dynamics Management control unit
Connect BMW diagnosis system.
Switch on ignition.
Carry out ride-height-calibration (menu item: "Service function").
Version with Run Flat Indicator: initialize Run Flat Indicator.
Version with Tyre Pressure Control: carry out resetting.
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Fig. 38: Identifying BMW Diagnosis System (DIS)
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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 o
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
Scalding hazard!
This work may only be carried out on an exha
NOTES ON FITTING A NEW PIPE OR A SCREW CONNECTION
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection:
Insert complete new screw connection
SEE MORE:
Engine - Technical Data (N52K 6-Cyl.)
ENGINE, GENERAL
ENGINE IN GENERAL N52K B25
TECHNICAL DATA - ENGINE GENERAL N52K B25
ENGINE IN GENERAL N52K B30
TECHNICAL DATA - ENGINE GENERAL N52K B30
ENGINE BLOCK
ENGINE BLOCK, CYLINDER CRANKCASE N52K B25
TECHNICAL DATA - ENGINE BLOCK, CYLINDER CRANKCASE N52
NOTE: If the integral link is detached from the wheel carrier or
swinging arm, it is
necessary after reinstallation to carry out a wheel/chassis alignment check.
Necessary preliminary tasks:
Remove rear wheel.
Tension coil spring (and leave on vehicle).
Version with ride-height control: Deacti