32 13 060 Removing and installing hydraulic steering gear

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. 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 hydraulic lines with plugs.

Necessary preliminary work:

Draw off and dispose of hydraulic fluid from oil reservoir
Remove FRONT UNDERBODY PROTECTION
Remove COVER FOR STEERING ASSEMBLIES on left and right
Remove FRONT 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) from engine compartment.

Tightening torque 32 31 2AZ .

Installation note:

Replace screw

Detach steering shaft lower section.

Fig 1: Identifying Engine Compartment Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 32 41 5AZ .

Remove lines (2) from hydraulic steering gear.

Disconnect plug connection (3) and release cable strap.

Installation note:

Replace sealing rings.

Fig 2: Identifying Hydraulic Steering Gear Screw, Plug Connection And Fluid Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Identifying Marks On Steering Gear Box And Front Bolting Points

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: To avoid the need for axle/wheel alignment, mark position of steering box (1) to front axle support (2).
To do so, draw a wide white stripe on the front bolting points (left and right) and apply a thin black marking (3) to this stripe.

Release screws (1) and lay lines to one side.

Tightening torque 32 41 7AZ .

Unfasten screws (2).

Installation note:

Replace bolts.

Tightening torque 32 00 1AZ .

Remove hydraulic steering gear in downward direction.

Fig 4: Identifying Hydraulic Steering Gear Screws

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and bleed hydraulic system. See BLEEDING POWER STEERING UNIT or BLEEDING POWER STEERING (VEHICLES WITH DYNAMIC DRIVE) .
Check line connections for leak tightness
If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE