Why is the BMW M3 engine making a strange sound?

I recently noticed that my BMW M3's engine is making a strange noise. It sounds almost like a knocking or tapping sound. What could be causing this and should I be concerned?

It's possible that the sound you are hearing is due to a problem with your BMW M3's engine, such as worn out bearings or a faulty camshaft. It's important to have this issue checked out by a professional mechanic as soon as possible to prevent further damage to your engine.

Another reason for the strange sound could be a loose belt or pulley in your BMW M3's engine. This is a relatively easy fix, but it's still important to have it addressed to avoid any potential damage to your engine. Make sure to have your car inspected by a mechanic.