I recently purchased a used BMW 3 Series and noticed that it has a rough idle at cold start. The engine also seems to vibrate more than usual. Is there something wrong with my car or is this normal?
ReplyIt is not normal for your BMW 3 Series to have a rough idle at cold start. It could be due to a faulty idle control valve or a vacuum leak. I would recommend taking your car to a certified mechanic to diagnose the issue and fix it as soon as possible.
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