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Why is my BMW 4 Series engine making a loud knocking noise?

I recently noticed a loud knocking noise coming from my BMW 4 Series engine. What could be causing this and how can I fix it?

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There could be a few reasons for this noise. It could be a sign of low oil pressure, worn engine bearings, or a loose connecting rod. I recommend taking your car to a trusted mechanic for a thorough inspection and potential repairs.

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