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Why is my BMW X3 engine making a knocking noise?

I recently purchased a BMW X3 and have noticed that the engine is making a distinct knocking noise. I'm not sure if this is normal or if there is something wrong with the engine. Can you provide any insight on why this is happening and if I should be concerned?

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Answers (3)

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It's important to get this checked out by a certified BMW mechanic as soon as possible. A knocking noise could be a sign of a more serious issue with the engine.

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It's possible that the knocking noise is just a normal sound for your particular BMW X3. However, if you are concerned, it's always best to have a professional take a look at it to give you peace of mind.

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Have you recently changed the type of fuel you are using? Sometimes using a lower quality fuel can cause knocking noises in BMW engines. Try using a higher quality fuel to see if that makes a difference.

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