32 13 572 Replace electrical steering box (EPS)

WARNING: High-voltage system - danger to life

Observe SAFETY INFORMATION for working with electric vehicles.

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.

IMPORTANT: Do not turn the steering wheel once the steering shaft has been detached from the steering gear. If the lower section of the steering shaft is separated from the steering gear, the steering column switch cluster may be damaged when the steering wheel is turned.

Necessary preliminary tasks:

Clamp off BATTERY EARTH LEAD .
Remove FRONT WHEELS .
Lower front axle. See LOWERING/RAISING FRONT AXLE SUPPORT (NO RANGE EXTENDER) or LOWERING/RAISING FRONT AXLE SUPPORT (WITH RANGE EXTENDER) .

IMPORTANT: Do not release track rod end from swivel bearing with impact tool.
Rubber boot must not be damaged!

Release nuts (2) of track rods at swivel bearing (3).

Fig 1: Identifying Track Rod End, Swivel Bearing And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

At the same time, counter support at the Torx socket.

Tightening torque 32 21 3AZ .

Release track rod ends (1) from swivel bearing (3).

Installation note:

Keep track rod end to swivel bearing connection clean and free from oil and grease.

Replace nuts.

Loosen screws (1).

Tightening torque, 32 00 1AZ .

Remove steering gear (2) to the left.

IMPORTANT: Risk of damage!
Pay attention to connector housing on steering box while removing steering box!

Fig 2: Identifying Steering Gear And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace screws.

IMPORTANT: Protective cap of steering gear is filled with grease.
A discharge of grease (1) is not faulty!

Fig 3: Locating Grease Discharge

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Remount TRACK ROD END on left and right.

Or check and replace if necessary!

After installation:

Carry out PROGRAMMING/ENCODING .
Turn steering wheel in both directions to the limit position. The airbag indicator light must not light up in the process.
Teach in END STOP SOFTWARE .
Perform wheel alignment. Refer to ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT (WITHOUT VEHICLE LOAD) .