BMW X3 Service & Repair Manual: Replacing positive battery cable between starter motor, alternator and positive battery connection point (N47 D20 O1)

BMW X3 Service & Repair Manual / Electrical / Starter lead / Replacing positive battery cable between starter motor, alternator and positive battery connection point (N47 D20 O1)

Necessary preliminary work:

  • Read out the fault memory of the DME control unit.
  • Switch off ignition.
  • Disconnect BATTERY EARTH LEAD .
  • Remove INTAKE FILTER HOUSING .
  • Remove UNDERBODY PROTECTION

Fold back cover (1).

Release nut underneath.

Remove positive battery cable from battery positive terminal.

Electrical

Release positive battery lead(1) from acoustic cover (3).

Electrical

Slacken nut (1).

Disconnect positive battery cable from alternator.

Release positive battery lead from retainer (2).

Electrical

Release retainers (1) and detach positive battery lead from guide.

Electrical

Release nut (1) on starter motor.

Disconnect positive battery cable from starter motor.

Release positive battery cable from retainers (2).

Feed out positive battery cable and remove.

Electrical

NOTE: Reassemble the vehicle.

Check stored fault messages.

Delete fault memory.

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