12 13 Notes on checking ignition system
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2014 BMW Alpina B7L. However, it is still accessible from the selected car via links, so may be relevant.
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 manufacturers
Check
- Secondary signal for stationary ignition distribution