I recently noticed my BMW M3's engine is making a loud knocking noise. It only happens when I accelerate and the noise goes away when I'm at a steady speed. What could be causing this and how do I fix it?
ReplyThis could be a sign of engine knocking, which occurs when the air-fuel mixture in your engine ignites prematurely. This can be caused by various issues such as bad fuel, incorrect spark timing, or carbon deposits in the cylinders. I recommend taking your car to a trusted mechanic to diagnose and fix the issue.
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