BMW X3 Service & Repair Manual: Replacing wiring harness section for ignition and injectors (N55)

BMW X3 Service & Repair Manual / Electrical / Engine wiring loom / Replacing wiring harness section for ignition and injectors (N55)

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

Necessary preliminary work:

  • Read out the fault memory of the DME control unit.
  • Switch off ignition.
  • Disconnect BATTERY EARTH LEAD .
  • Remove IGNITION COIL COVER.
  • Remove CLEAN AIR PIPE .
  • Remove REAR IGNITION COIL COVER.

Unlock rear plug (1) from the control unit and disconnect.

Release rear wiring harness from intake plenum.

Electrical

Release nuts (1) and remove earth cable.

Unlock all connectors from ignition coils and injectors and detach.

Unclip wiring harness (2), feed out and remove.

Electrical

NOTE: Check stored fault messages.

Delete fault memory.

    Replacing wiring harness section for ignition and injectors (N20)
    IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) . Necessary preliminary tasks: Read ...

    Oil pressure/oil temperature/oil gauge
    ...

    Other materials:

    BMW X3 Service & Repair Manual > Final drive with cover: Replacing rear cover gasket on rear differential (215lw)
    WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin! RISK OF INJURY if oil comes into contact with eyes and skin! IMPORTANT: In event of oil loss, always check rear differential for traces of wear and damage. To avoid leaks from the rear differential cover, do not us ...

    BMW X3 Owners Manual

    BMW X3 Service & Repair Manual

    © 2017-2020 Copyright www.bmwx3tech.com - 0.0067