I recently noticed that my BMW X3 engine is making a knocking noise and I'm not sure why. Is this something I should be concerned about?
ReplyIt is possible that the knocking noise is a result of low-quality fuel. Try switching to a higher-octane fuel and see if the noise subsides. If it does, then there's nothing to worry about.
Another potential cause of the knocking noise could be an issue with the engine's timing. I would recommend taking your car to a certified BMW mechanic for a thorough diagnostic.
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