Ignition Coil: Service and Repair
12 13 512 - Removing and installing/replacing all ignition coils (S65)
Special tools required:
- 11 9 980 11 9 980 Puller
Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition
- Remove air filter housing
- Release and raise coolant expansion tank, do not kink hoses
- Remove ignition coil cover on left and right
Pull off plug (1).
Pull out ignition coil (2) in upward direction with aid of 11 9 980 11 9 980 Puller.
This tool is essential to ensure damage-free removal of the ignition coils.
This procedure is applicable to all ignition coils.
Installation Note:
Insert rubber seal on ignition coils between guides in cylinder head cover.
Note:
Assemble engine.
Check stored fault messages.
Now clear the fault memory.