BMW X5 Owners & Service Manuals

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:

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.


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.

Rear Control Suspension
Fig. 37: Identifying Quick-Connect Coupling And Vent Line


Carry out fault interrogation with BMW diagnosis system.


NOTE: Ride-height-calibration must be carried out after the following work:

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.

Rear Control Suspension
Fig. 38: Identifying BMW Diagnosis System (DIS)


 Removing And Installing/Replacing Left Or Right Air Spring

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

 Removing And Installing/Replacing Rear Active Stabilizer

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

 Connecting Lines

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


 Instructions For Opening And Replacing Parts In Refrigerant Circuit

WARNING: Avoid contact with refrigerant and refrigerant oil Follow safety instructions for handling R 134a refrigerant. Follow safety instructions for handling refrigerant oil. CAUTION: Always use new O-rings each time A/C connections are opened. Moisten O-rings with refrigerant oil

 Brake Booster

REPLACING VACUUM HOSE FOR BRAKE BOOSTER (N52K) IMPORTANT: Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the vacuum hose. Vacuum hose and non-return valve are welded together and are replaced togeth

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