My BMW 3 Series' engine is making a loud knocking sound. It's been going on for a few weeks now. What could be causing this and how can I fix it?
ReplyIt's important to diagnose the issue as soon as possible to prevent further damage to the engine. The knocking sound could be caused by a variety of issues such as low oil levels, worn out bearings or piston slap. I recommend taking your car to a trusted mechanic to accurately diagnose and fix the issue.
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