I have a BMW M3 and recently I have been experiencing an engine misfire issue. It is running rough and the check engine light is on. I have replaced the spark plugs and coils, but the issue persists. What could be causing this misfire and how can I troubleshoot it?
ReplyFirst, check the fuel injectors and make sure they are properly functioning. They can get clogged or faulty and cause a misfire. Also, check the fuel pressure and make sure it is within the recommended range.
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