I have noticed that my BMW 5 Series engine is starting to make a knocking sound. It doesn't seem to affect the performance, but I am concerned about potential damage or future issues. What could be causing this and what should I do about it?
ReplyA knocking sound in your engine could be a sign of worn out bearings, which could lead to catastrophic engine failure if not addressed. I recommend taking your car to a trusted mechanic for a full inspection and repair.
It's possible that the knocking sound is coming from a loose spark plug. This is an easy fix that you can do yourself by tightening or replacing the plug. However, if the knocking persists, it is best to seek professional help.
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