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Why is the BMW 5 Series engine making a strange noise?

I recently purchased a BMW 5 Series and noticed that the engine is making a strange noise whenever I accelerate. It sounds like a rattling or tapping noise. Is this something I should be concerned about? How can I fix it?

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E

Hi John, it's possible that the noise is coming from an issue with the timing belt or the serpentine belt. It's important to have this checked by a qualified mechanic as soon as possible to prevent any further damage. Ignore it for too long and you could end up with a much bigger, more expensive problem.

S

Hey there, John. Based on the symptoms you described, it could also be an issue with the valves. This could be caused by worn valve guides, which can lead to loss of power and potential engine damage. I recommend taking it to a mechanic and having a diagnostic test done to properly identify the issue and get it fixed.

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