FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Ignition Coil: Service and Repair




12 13 511 - Replacing ignition coils (N54)





Necessary preliminary tasks:
- Read out fault memory of DME control unit.
- Switch off ignition.
- Remove acoustic cover 11 00 ... Removing and Installing/Replacing Acoustic Cover
- Remove right tension strut 51 71 371 Removing and Installing/Replacing Tension Strut on Left or Right Spring Strut Dome





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) of 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.