What are common issues with the BMW M3 engine?

I've noticed my BMW M3's engine has been making strange noises lately. What are some common issues that could be causing this and what steps should I take to resolve them?

One possible cause for strange engine noises in the BMW M3 could be a slipping accessory drive belt. This can result in a squealing or chirping sound. To fix this issue, you should check the tension of the belt and replace it if necessary.

Another common issue with the BMW M3 engine is a failing catalytic converter. This can cause a rattling or buzzing sound from the engine. If this is the case, you will need to replace the catalytic converter.