32 13 070 Removing and installing electric steering box (EPS)

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.

Hybrid vehicles only:

WARNING: The following points must be strictly observed prior to starting work :

Observe safety information for handling with hybrid cars
Disconnect high-voltage system from the supply

IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if necessary. The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. If the insulation reveals any noticeable/striking features, partial replacement will be necessary.

Otherwise it will be sufficient to replace the contacts or connector housing.

NOTE: In a warranty case you must always provide a fault memory printout, even where there is no fault entry, with the defective part.

Necessary preliminary work

Disconnect BATTERY EARTH LEAD .
NOTE: High-current-carrying wiring laid with permanent positive connection (80 A fuse).
Remove UNDERBODY PROTECTION at front and rear.
Remove COVER FOR STEERING ASSEMBLIES on left and right.
Remove stiffening plate (F12)
Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING .
Remove LOWER SECTION OF STEERING SHAFT FROM STEERING BOX .
Version with Dynamic Drive:
- Remove ANTI-ROLL BAR LINK ON RIGHT OF ANTI-ROLL BAR .

Fig 1: Identifying Mark Position Of Steering Box To Front Axle Support

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 tie anti-roll bar (2) to front axle support.

Tightening torque 31 35 1AZ.

Fig 2: Identifying Anti-Roll Bar And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) and disconnect.

Fig 3: Identifying Electric Steering Box (EPS) Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Lay holder (2) with wiring to one side.

Fig 4: Identifying Electric Steering Box (EPS) Holder And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Undo screws (1) and remove steering box from below.

Tightening torque 32 00 1AZ

Installation note:

When installing, make sure that the steering box is realigned to the marking applied to the front axle support prior to removal.

Replace screws

Fig 5: Identifying Electric Steering Box Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of damage!

Plug connection (1) on electrical steering box must not be damaged when removing.

Remove steering box with wiring harness downward.

Fig 6: Identifying Plug Connection On Electrical Steering Box

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Teach in END STOP SOFTWARE .