BMW X5: Replacing Pressure Relief Valve For Active Stabilizer At Front

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.

NOTE: Replace pressure relief valves in pairs only.

Necessary preliminary tasks:

• Remove front underbody protection.
• Remove both stabilizer links from stabilizer.

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. 17: 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:

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

Fig. 18: Identifying Banjo Nuts And Control Lines

NOTE: Pressure relief valve consists of filter cartridge (1) and fitting (2).

If necessary, stabilizer leg must be turned to facilitate removal.

Clean tool with brake cleaner.

Unclip filter cartridge (1) and release fitting (2).

Installation:

Install first fitting (2) and then filter cartridge (1).

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

Tightening torque, see 37 14 24AZ in 37 14 ELECTRIC COMPONENTS

Fig. 19: Identifying Filter Cartridge

After installation:

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

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