I recently noticed that my BMW X4's engine is making a loud knocking sound while idling. I'm concerned about the health of my car and I'm not sure what could be causing this. Any thoughts or advice?
ReplyHi Julia, the knocking sound could be an indication of an issue with the engine's bearings. It's important to get this checked out by a mechanic as soon as possible to prevent any further damage. I would recommend taking it in for a diagnostic test.
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