BMW X5: Removing And Installing/Replacing Front 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! IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

In a warranty case you must always provide a fault memory printout, even where there is no fault memory entry, with the defective part.

Necessary preliminary tasks:

• Remove front wheels.
• Remove front underbody protection.
• Remove front right wheel arch cover (front section).
• Remove radiator air duct.
• Remove both brake air ducts with holder.
• Remove fan cowl.
• Remove heat exchanger from front axle carrier and tie up.
• Remove both stabilizer links from stabilizer.

Remove radiator box from engine carrier, extend out, press upwards and support with workshop jack.

Installation:

Check rubber mounting of radiator box for correct seating.

Fig. 24: Identifying Rubber Mounting Of Radiator Box

IMPORTANT: Risk of damage! First adjust minimum distance (A) = 3 mm between control line (1) and oscillating motor (2).

Then adjust control line (3) with minimum distance (B) = 8 mm to control line (1).

Fig. 25: Identifying Control Line And Oscillating Motor

Mark installation position of control lines to oscillating motor.

Release banjo nuts (1) and remove control lines (2) from oscillating motor.

Seal control lines (2) and connections of oscillating motor with sealing plugs.

Installation:

Carry over identification to new component.

Control lines are protected against being mixed up by different thread diameters on the oscillating motor connection.

Tightening torque, see 37 14 18AZ in 37 14 ELECTRIC COMPONENTS

Remove both protective caps (of red rubber with pull band).

Fig. 26: Identifying Banjo Nuts And Control Line

Release screws (1).

Tightening torque, see 37 14 20AZ in 37 14 ELECTRIC COMPONENTS

Remove both control lines (2) from upper retaining brackets and tie up.

Remove upper retaining brackets.

Remove stabilizer (3) with rubber mounts from lower retaining brackets.

Replacement: Remove both rubber mounts from stabilizer.

Fig. 27: Identifying Upper Retaining Brackets And Stabilizer

IMPORTANT: Rubber lips (1) must be correctly situated between retaining brackets!

Installation:

Check anti-friction bearing (2) for damage; if necessary, replace stabilizer (observe note at start of repair instruction).

Keep contact face for rubber mount on anti-friction bearing clean and free from oil and grease.

Check rubber mount for damage, replace if necessary.

Fig. 28: Identifying Rubber Lips And Anti-Friction Bearing

IMPORTANT: To remove the risk of mix-up after removal of the control lines at the holders, observe the following:

• Holder, left: Stud bolt (1) arranged virtually centrally on the holder
• Holder, right: Stud bolt (1) arranged more to the front of the holder
• Align holders as pictured by way of additional lugs (2); both lugs point in direction of travel to right

Fig. 29: Identifying Stud Bolt

After installation:

• Fill and bleed hydraulic system.
• Check pipe connections for leaks.
• Carry out initial Dynamic Drive operation.

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