32 13 066 Replacing Active Front Steering Hydraulic Steering Gear

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Secure engine in installation position with special tool to prevent it from falling down. See SECURING ENGINE IN INSTALLATION POSITION (M57T2) , SECURING ENGINE IN INSTALLATION POSITION (N54/N55) , or SECURING ENGINE IN INSTALLATION POSITION (N63) .

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
DANGER 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.
Close off line connections with seal plugs.

IMPORTANT: If the lower section of the steering shaft is separated from the steering gear/steering column, the steering column switch cluster may be damaged when the steering wheel/steering shaft is twisted!

Necessary preliminary work:

Draw off and dispose of hydraulic fluid from oil reservoir
Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING
Replacement: remove TRACK ROD END AT BOTH ENDS OF TRACK ROD
Version with Dynamic Drive: remove BOTH ANTI-ROLL BAR LINKS FROM ANTI-ROLL BAR
Remove lower section of steering shaft from steering box . See REMOVING AND INSTALLING/REPLACING LOWER SECTION OF STEERING SHAFT or REMOVING AND INSTALLING/RENEWING STEERING SPINDLE LOWER SECTION (N63) .
Slacken screw connection for WISHBONE AT BOTTOM LEFT AND RIGHT on front axle support
Lower front axle support . See LOWERING/RAISING FRONT AXLE SUPPORT (SWZ00-2040) or LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) .
Disconnect plug connection for ECO valve on rear side of power steering pump

Carefully lower hydraulic steering gear.

Mark installation positions of pressure and return lines to hydraulic steering gear.

Release banjo bolts (1).

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

Installation note:

Replace all sealing rings.

Align pressure and return lines by way of marks and tighten down banjo bolts.

Tightening torque: 32 41 5AZ (pressure line).

Fig 1: Pressure Line And Banjo Bolts

G04794462

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque: 32 41 6AZ (return line).

Remove hydraulic steering gear with wiring harness sideways between engine and front axle supports.

Fig 2: Hydraulic Steering Gear With Wiring Harness

G09958940

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, release screws (1) and remove heat shield (2).

Disconnect plug connections (3) and remove connecting line (4).

Installation note:

Tightening torque: 32 00 2AZ .

Fig 3: Heat Shield, Plug Connections And Screws

G04794467

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Turn steering wheel in both directions to the limit position. The airbag indicator light must not light up in the process.
Fill and bleed hydraulic system . See BLEEDING POWER STEERING UNIT or BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) .
Check line connections for leaks
Perform chassis/wheel alignment . See KDS WHEEL ALIGNMENT WITH VEHICLE LOAD UP TO DESIGN POSITION or KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD .
ALIGNMENT FOR ACTIVE STEERING
If necessary, carry out START-UP DYNAMIC DRIVE OPERATION