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Why is my BWM engine making a strange noise?

I own a BWM 3 Series and recently I've noticed a strange noise coming from the engine. It almost sounds like a rattling noise and it seems to get worse when I accelerate. What could be causing this and is it something I should be concerned about?

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Answers (2)

S

It is likely that the noise you are hearing is coming from the timing chain. This is a common issue in BWMs and can be fixed by getting the timing chain tensioner replaced.

C

Another possible cause of the noise could be a faulty water pump. This is also a common issue in BWMs and can be fixed by having the water pump replaced.

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