I recently bought a used BMW 3 series and have noticed that the engine occasionally idles rough. What could be causing this issue?
ReplyThere are a few potential reasons for rough idling on a BMW 3 series. It could be due to a dirty or faulty air filter, old spark plugs, or a malfunctioning mass air flow sensor. I would recommend having a mechanic perform a diagnostic test to identify the exact cause and make any necessary repairs.
Another common culprit for rough idling could be a problem with the fuel injectors. If they are clogged or not functioning properly, it could be causing inconsistent fuel delivery which can lead to rough idling. Have a mechanic check and possibly clean or replace the fuel injectors if necessary.
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