BMW X3 Service & Repair Manual: Replace electrical steering box (eps) (N52/N55/N57)

BMW X3 Service & Repair Manual / Suspension / Steering gear with servo unit / Replace electrical steering box (eps) (N52/N55/N57)

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:

  • Disconnect BATTERY EARTH LEAD .

NOTE: High-current-carrying wiring laid with permanent positive connection (80 A fuse).

  • Remove UNDERBODY PROTECTION .
  • Release BOTTOM OF STEERING SHAFT AT STEERING BOX.
  • Release LEFT AND RIGHT TRACK ROD END at swivel bearing.
  • Lower FRONT AXLE SUPPORT .
  • Loosen ANTI-ROLL BAR on the front left and right.

Unlock plug connections (1) and disconnect.

Unfasten screws (2).

Suspension

IMPORTANT: Risk of damage! Pay attention to connector housing on steering box while removing steering box! Carefully remove steering gear towards the front!

Installation note: Remount TRACK ROD END on left and right.

After installation:

  • Turn steering wheel in both directions to the limit position. The airbag indicator light must not light up in the process.
  • Carry out PROGRAMMING/ENCODING .
  • Teach in END STOP SOFTWARE.
  • Perform CHASSIS/WHEEL ALIGNMENT CHECK.
    Notes on replacement of steering gear/steering column/steering shaft following accident damage
    Steering gear facts: In the event of accidents or driving conditions similar to accidents, shock-like loads can cause different types of damage to s ...

    Replace electrical steering gear (eps) (N20/N47)
    IMPORTANT: Connecting line: In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. ...

    Other materials:

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    BMW X3 Service & Repair Manual

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