32 13 061 Replacing hydraulic steering gear

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. 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.

Close off line connections with seal plugs.

Necessary preliminary work:

Draw off and dispose of hydraulic fluid from oil reservoir
LOWER FRONT AXLE .
Remove front anti-roll bar. See REMOVING FRONT ANTI-ROLL BAR or REMOVING FRONT ACTIVE ANTI-ROLL BAR .
Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING .
Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD .

Release screw (1).

Remove lines (2) and (3).

Installation note:

Replace O-ring

Tightening torque 32 41 5AZ .

Fig 1: Identifying Hydraulic Lines And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release block screw connection (1).

Release line clip (2) and remove line to steering box.

Tightening torque 32 41 11AZ

Fig 2: Identifying Hydraulic Fluid Line, Line Holder And Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Undo screw connection (1) (only vehicles with Dynamic Drive)

Tightening torque 37 13 5AZ

Release line holders (2) and (4).

Tightening torque 32 41 7AZ .

Remove holder (3) from front axle support

Tightening torque 32 41 12AZ

Remove hydraulic line!

Fig 3: Identifying Bracket, Line Holders And Screw Connection

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Detach plug (1) from EH converter.

IMPORTANT: Risk of damage!
When removing the steering gear, pay attention to female connector.

Fig 4: Identifying EH Converter Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Carefully press wiring (2) upwards (only vehicles with Dynamic Drive)

Remove hydraulic steering gear in downward direction.

Installation note:

Replace screws.

Tightening torque 32 00 1AZ

Fig 5: Identifying Wiring And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system. See BLEEDING POWER STEERING UNIT or BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) .
Check pipe connections for leaks.
Perform CHASSIS / WHEEL ALIGNMENT .
If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE .