WARNING: If the engine hood/bonnet contact is pulled upwards (workshop mode), the information "switch closed" is output. The automatic engine start-stop function is active.
An automatic engine start is possible.
Observe safety precautions when working on MSA vehicles.
Before carrying out practical work on the engine, always ensure that the MSA functionality is deactivated so as to prevent automatic engine starting while work is being carried out in the engine compartment.
MSA function is deactivated by:
Open engine bonnet/hood and ensure that engine hood/bonnet contact is not in workshop mode
To make sure that the engine hood/bonnet contact is at the basic setting, if necessary press the hood/bonnet contact up to the limit position before starting work and slowly release.
When working with diagnosis tools:
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 ...