32 13 060 Removing and installing/replacing power steering gear (AWD)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 528xi, 2009 BMW 535xi, 2009 BMW 528xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Danger to life!

SECURE ENGINE IN INSTALLATION POSITION to prevent it from falling down.

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.

Seal off hydraulic lines with plugs.

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Secure ENGINE IN INSTALLATION POSITION
Remove both TIE ROD ENDS FROM SWIVEL BEARING
Replacement only: Remove both TIE ROD ENDS FROM TIE ROD
Remove both CONTROL ARMS FROM SWIVEL BEARING
Remove both STABILIZER LINKS FROM STABILIZER
Lower FRONT AXLE CARRIER until power steering gear rests on output shaft

IMPORTANT:

Replacement only:

Banjo bolt (A) for pressure line (expansion hose) must be replaced by banjo bolt with non-return valve (B).

Fig 1: Identifying Banjo Bolt With Non-Return Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolts (1, 4).

Remove brackets for pressure and return lines from front axle carrier.

Disconnect pressure line (2) and return line (3) from power steering gear.

Installation:

Replace all sealing rings.

Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.

Tightening torque 32 41 3AZ .

Fig 2: Identifying Banjo Bolts, Pressure Line And Return Line

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove nuts.

Installation:

Replace screws and self-locking nuts.

Tightening torque 32 00 1AZ .

Fig 3: Identifying Power Steering Gear Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

Pay attention to power steering hoses and lines when lowering. Hoses/lines must not be tensioned/bent/kinked!

When lowering and raising, make sure the cover for the relevant tension strut rubber mount is free to move.

Press front axle carrier forwards to guide power steering gear past output shaft.

Lower front axle carrier further.

IMPORTANT: Pay attention to vacuum hose of electric switchover valve.

Slide power steering gear towards rear up to stop, rotate and remove at side.

Fig 4: Identifying Front Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed HYDRAULIC SYSTEM
Check pipe connections for leaks
Perform chassis alignment check. See KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION or KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD .
Carry out STEERING ANGLE SENSOR ADJUSTMENT