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12 13 Notes on checking ignition system

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325xi, and 2004 BMW 325i. However, it is still accessible from the selected car via links, so may be relevant.

Troubleshooting:

Fault in fuel injection system, refer to 12 13... FAULT IN FUEL INJECTION SYSTEM .

Spark-plug faults, refer to 12 13... SPARK-PLUG FAULTS .

Ignition coil faults, refer to 12 13... IGNITION COIL FAULTS .

Further fault patterns with evaluation, refer to 12 13... FURTHER FAULT PATTERNS WITH EVALUATION .

Additional fault notes for troubleshooting, refer to 12 13... ADDITIONAL FAULT NOTES FOR TROUBLESHOOTING .

Oscillograms:

Normal oscillogram, refer to 12 13... NORMAL OSCILLOGRAM (M, S, W ENGINES ONLY) .

Oscillograms of ignition coils from different manufacturers, refer to 12 13... OSCILLOGRAMS OF IGNITION COILS FROM DIFFERENT MANUFACTURERS .

Check:

Secondary signal for stationary ignition distribution, refer to 12 13... CHECKING SECONDARY SIGNAL FOR STATIONARY IGNITION DISTRIBUTION .