12 13 Notes On Checking Ignition System
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting -> Fault in fuel injection system . See FUEL SUPPLY SYSTEM - TECHNICAL DATA .
-> Check for Spark plug faults.
-> Check for ignition coil faults.
-> Further fault patterns with evaluation.
-> Check for normal oscillogram. See 12 13 ... NORMAL OSCILLOGRAM (N42, N62) .
-> Check secondary signal for stationary ignition distribution. See 12 13 ... CHECKING SECONDARY SIGNAL FOR STATIONARY IGNITION DISTRIBUTION .