BMW X3 Service & Repair Manual > Ignition coil: Replacing ignition coils (N55)
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Check stored fault messages and process procedure.
Switch off ignition.
Remove IGNITION COIL COVER.
Remove CLEAN AIR PIPE .
IMPORTANT:
Ignition coils must not be contaminated by fuel.
The resistan ...