I recently purchased a BMW 3 Series and I noticed that the engine is making a strange knocking noise. It only happens when the engine is running and it's not very loud, but it's definitely noticeable. Is this something I should be concerned about?
ReplyThe knocking noise might be caused by a variety of reasons, such as worn bearings, loose or broken parts, or even dirty engine oil. It's always best to have a professional mechanic take a look at your car to diagnose the issue.
It's possible that the knocking noise is related to your engine's timing belt. This component is an integral part of your engine and if it becomes worn or damaged, it can cause strange noises. I suggest taking your car to a trusted mechanic for a thorough inspection.
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