I have noticed that my BMW X3's engine makes a knocking noise when I start it up. Is this something to be concerned about?
ReplyThe knocking noise is likely caused by a lack of lubrication in your engine. It's important to regularly check and change your oil to prevent further damage to your engine.
If you are using a lower octane fuel than recommended, this can also cause knocking noise in your engine. Make sure to use the proper fuel to avoid any potential issues.
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