32 13 066 Replacing active front steering hydraulic steering gear

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

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.
Seal connections and lines immediately after removal with sealing plugs.

Necessary preliminary tasks

Draw off and dispose of hydraulic fluid from fluid reservoir
Remove underbody protection . See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION or 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION at front and rear.
Remove COVER FOR STEERING ASSEMBLIES on left and right.
Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING .
Remove LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR .
Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD .
Version with Dynamic Drive (F01/F02/F07):
- Remove FRONT ANTI-ROLL BAR .
- Remove EXPANSION HOSE .

Slacken nut (1).

Tightening torque 32 41 7AZ.

Release screw (2) on bracket.

Tightening torque 32 41 7AZ.

Release screw (3).

Tightening torque 32 00 1AZ.

Fig 1: Identifying Front Axle Nut And Screws

G08420858

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Fig 2: Identifying Plug Connections

G08420859

Courtesy of BMW OF NORTH AMERICA, INC.

Pull hydraulic steering gear towards front a little.

Unfasten plug connection (1) and disconnect.

Release screw (2) and remove lines (3) from hydraulic steering gear.

Tightening torque 32 41 5AZ.

Remove power steering gear in downward direction.

Fig 3: Identifying Plug Connections And Hydraulic Steering Gear Screw And Fluid Lines

G08420860

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

Modify wiring harness on hydraulic steering gear.

Fig 4: Identifying Hydraulic Steering Gear Wiring Harness

G08420887

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Fill and bleed hydraulic system . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) or 32 13 006 BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks
Perform chassis alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or 32 00 155 KDS WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .
ADJUSTMENT FOR ACTIVE STEERING .
If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE (F01/F02/F07).