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

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.

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

BMW X3 Service & Repair Manual > Brake booster: Removing and installing or replacing brake booster
Necessary preliminary work: Read and comply with GENERAL INFORMATION. Remove left footwell trim . Remove BRAKE MASTER CYLINDER. Remove WIPER MOUNTING BRACKET . Detach retaining clip (1) on brake pedal. Pull out locking pin. Unscrew nuts (2). Installation note: Replace self-lo ...

BMW X3 Owners Manual