Ignition Coil: Service and Repair

Replacing Ignition Coils (M54)


Necessary preliminary tasks:
- Check stored fault messages.
- Switch off ignition.
- Remove ignition coil cover.







Unlock plug retainer of ignition coil (1) and disconnect plug.
Pull ignition coil (1) up and out.
This procedure is applicable to all ignition coils.







Installation:
Check that rubber seal of ignition coil (1) is correctly seated.


NOTE:
- Interrogate fault memory of DME control unit.
- Now clear the fault memory.