BMW X3 Service & Repair Manual: 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.
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.
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 ...
Other materials:
BMW X3 Service & Repair Manual > Brake testing and bleeding: Checking brakes on test stand
Necessary preliminary work:
Check tires for damage.
Check tire treads.
Checking tire inflation pressure.
IMPORTANT:
Make sure the Hill Descent Control (HDC) is not active before driving on to the brake test rig!
The Hill Descent Control (HDC) indicator light must not be on!
Th ...
BMW X3 Owners Manual
BMW X3 Service & Repair Manual
