Why does my BMW 2 Series make a strange noise when I accelerate?

I've noticed that when I accelerate in my BMW 2 Series, there is a loud humming noise coming from the engine. It doesn't happen all the time, but it's noticeable when it does. What could be causing this and how can I fix it?

This could be a sign of worn out bearings in your engine. It's important to have this checked and repaired by a certified mechanic as soon as possible. Ignoring it could lead to further damage and more expensive repairs in the future.

It's possible that there is an issue with your exhaust system. Take your car to a trusted mechanic and have them inspect it for any leaks or damage. Driving with a faulty exhaust can also be harmful to your health, so it's best to get it fixed right away.