32 13 070 Removing And Installing Electric Steering Box (EPS) (Hybrid)

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: 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 . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD or 61 20 900 DISCONNECTING AND CONNECTING 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 . See 32 31 211 REMOVING AND INSTALLING/REPLACING UNIVERSAL JOINT WITH CORRUGATED TUBING .
Version with Dynamic Drive:
- Remove ANTI-ROLL BAR LINK ON RIGHT OF ANTI-ROLL BAR .
  
  Fig 1: Steering Box Mark Position
  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: Screws And Anti-Roll Bar

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Fig 3: Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Lay holder (2) with wiring to one side.

Fig 4: 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: Screws Of Steering Box

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: Plug Connection On Electrical Steering Box

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Teach in END STOP SOFTWARE .