32 13 060 Removing And Installing/Replacing Power Steering Gear

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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.

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:

Disconnect battery negative lead
Draw off and dispose off hydraulic fluid from fluid reservoir
Secure ENGINE IN INSTALLATION POSITION
Remove TIE ROD END ON BOTH SIDES FROM SWIVEL BEARING
Replacement only: Remove TIE ROD END AT BOTH ENDS OF TIE ROD
Lower FRONT AXLE SUPPORT
Remove LEFT MOUNTING BRACKET OR ENGINE MOUNT FROM FRONT AXLE CARRIER
Engine mount with vacuum connection: Remove RIGHT ENGINE MOUNT FROM FRONT AXLE CARRIER

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

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, remove heat shield from power steering gear.

Release banjo bolts (1).

Disconnect pressure line and return line 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 . See PUMP AND OIL SUPPLY for specs.

Fig 2: Identifying Power Steering Gear Banjo Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt (1).

Release nuts (2) and remove screws towards bottom.

Installation:

Replace screws and self-locking nuts.

Tightening torque: 32 00 1AZ . See STEERING for specs.

Fig 3: Identifying Towards Bottom Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Version with active steering:

Disconnect plug connections (1-4).

Raise power steering gear and unclip wiring harness.

Fig 4: Identifying Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Move power steering gear to right and remove towards rear.

After installation:

Fill and bleed hydraulic system. See BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) or BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks
Perform chassis alignment check. See CHASSIS/WHEEL ALIGNMENT CHECK PROCEDURE , KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION , and KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD
Carry out STEERING ANGLE SENSOR ADJUSTMENT /ADJUSTMENT FOR ACTIVE FRONT STEERING
If necessary, carry out INITIAL DYNAMIC DRIVE OPERATION