IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of ele
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Switch off ignition
Disconnect battery negative lead.
Remove microf
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufactur
NOTE: Initialization is necessary:
After replacing windshield
When installing a used rain/light sensor
NOTE:
Connect BMW diagnosis system
Initialize rain/light sensor.
REPLACING OPTICAL ELEMENT FOR SOLAR RAIN/LIGHT SENSOR
IMPORTANT: Read and comply with notes on protection against
electros