BMW X3 Service & Repair Manual: Removing and installing/replacing engine sensor system module 2 wiring harness (N20)

BMW X3 Service & Repair Manual / Electrical / Engine wiring loom / Removing and installing/replacing engine sensor system module 2 wiring harness (N20)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

  • Read out the fault memory of the DME control unit.
  • Switch off ignition.
  • Remove intake PLENUM .
  • Release the COOLANT THERMOSTAT and set on the side. Do not drain the coolant and do not release the coolant hose.
  • REMOVE bottom clean air pipe.
  • Remove ENGINE VENTILATION LINE .

Electrical

Overview of engine wiring harness sensor system module 2.

Release screws (1).

Release cable channel (2).

Installation note: Reconnect the earth connection.

Electrical

Electrical

Release wiring harness if necessary from existing clips and clamps.

Feed out wiring harness and remove.

Installation note:

Check wiring harness installation arrangement.

Check plug connections for correct fit.

Check stored fault message.

Clear diagnostic fault entries from fault memory.

    Engine wiring loom
    ...

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