Why does my BMW M4's engine make a knocking sound?

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John 20 hours ago

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Why does my BMW M4's engine make a knocking sound?

I have noticed that my BMW M4's engine has started making a knocking sound while idling. Is this a cause for concern or normal noise for this model? Should I take it to a mechanic or can I fix it myself?

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**Jessica** · Answer 1 · 2025-07-30T19:05:10+00:00

The knocking sound in your BMW M4's engine could be an indication of a potential issue. It's always recommended to take your car to a professional mechanic for a thorough inspection to determine the exact cause of the sound.