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Answers

How do I troubleshoot a misfiring engine in my BMW 3 Series?

I've noticed my BMW 3 Series engine is misfiring and I'm not sure what could be causing it. What are the most common causes of this issue and how can I troubleshoot it?

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Answers (3)

T

One of the most common causes of a misfiring engine in a BMW 3 Series is a faulty spark plug. It's important to regularly check and replace your spark plugs if needed.

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Another potential cause could be a clogged fuel injector. Try using a fuel system cleaner to see if that improves the performance of your engine.

J

A dirty air filter can also lead to a misfiring engine. Make sure to replace your air filter regularly to prevent this issue.

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