Ignition Coil: Service and Repair

12 13 511 Replacing Ignition Coils (N63)







Necessary preliminary tasks:
- Read out fault memory of DME control unit.
- Check stored error/fault messages.
- Switch off ignition.
- Remove left and right intake filter housings.







IMPORTANT:
Ignition coils must not be fouled by fuel.
The resistance of the silicone material is reduced significantly by contact with fuel, which may cause the ignition coil to fail.







Unlock plug catch (1) on ignition coil (2) and disconnect plug.
Pull ignition coil (2) up and out.
This procedure is applicable to all ignition coils.







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







Installation:
Push plug (1) with plug catch (2) open onto ignition coil.
Carefully close plug catch (2) in direction of arrow.
The plug catch must snap into place without great effort.







NOTE: Now clear the fault memory.