What causes engine knocking noise in BMW XM?

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Sarah Smith 4 hours ago

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What causes engine knocking noise in BMW XM?

I have a BMW XM which is experiencing engine knocking noise, especially when accelerating. What could be causing this issue and how can I fix it?

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**John Adams** · Answer 1 · 2025-06-26T00:15:14+00:00

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John Adams 4 hours ago

The most common cause of engine knocking noise in BMW XM is due to low quality fuel. It is important to use high octane fuel to avoid this issue.

**Emily Brown** · Answer 2 · 2025-06-26T00:15:14+00:00

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Emily Brown 4 hours ago

Another possible cause of engine knocking noise in BMW XM could be a faulty fuel injector. Consider getting it checked and replaced if needed.