12 51 100 Replacing wiring harness section for ignition and injectors (N55)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION)
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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.
Tightening torque 12 90 5AZ .
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.
Delete fault memory.