I noticed that my BMW Z4's engine is making a knocking sound when I start it up. Can this be a sign of a serious problem? Should I be concerned and take my car to a mechanic?
ReplyHi Michelle, a knocking sound from your engine can be an indication of several issues. It could be caused by low oil levels, a faulty spark plug, or even a problem with the fuel injectors. It's best to take your car to a mechanic as soon as possible to diagnose and fix the issue.
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