How do you troubleshoot a BMW M9 engine misfiring issue?

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Samantha Reynolds 2 hours ago

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How do you troubleshoot a BMW M9 engine misfiring issue?

My BMW M9 seems to be misfiring and I'm not sure why. What steps should I take to diagnose and fix this problem?

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**Alex Smith** · Answer 1 · 2025-08-04T17:45:15+00:00

Firstly, it is important to check the ignition coils and spark plugs. These components are common culprits of an engine misfire in the BMW M9. Make sure they are in good condition and replace if necessary. It would also be beneficial to check the fuel injectors for any clogs or malfunctions.