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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1159 (Engine Electrical System -- Repair (N54)) >> 13 Ignition Coil >> 12 13 Notes on Checking Ignition System

12 13 Notes on Checking Ignition System

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW 335xi, 2010 BMW 335i, 2009 BMW 335xi, 2009 BMW 335i, and 2008 BMW 335xi. 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

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