12 13 511 Replacing ignition coils (M54)
WARNING: This page is about a different car, the 2005 BMW Z4, 2004 BMW Z4, and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Check stored fault messages.
- Switch off ignition.
- Remove E65/66 center assembly wall .
- 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:
Read out fault memory of DME control unit.
Now clear the fault memory.