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

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 tasks:

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 Steering Box, Front Axle Support Thin Black Marking On Stripe
  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 Tie Anti-Roll Bar And Screws