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Why does the BMW M7 produce a loud screeching noise when accelerating?

I recently purchased a BMW M7, and when I accelerate, there is a loud screeching noise coming from the engine. It is especially noticeable when starting from a complete stop. What could be causing this and how can I fix it?

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Answers (3)

J

The loud screeching noise could be coming from a worn out serpentine belt or a faulty belt tensioner. These components need to be inspected and replaced if necessary.

L

It could also be caused by a loose connection or a damaged exhaust manifold. These should be checked by a mechanic and fixed accordingly.

R

Another possibility is that the noise is coming from the brakes. Check for worn out brake pads and rotors and have them replaced if necessary.

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