What should I do if my Audi's engine makes strange noises?

I have noticed that my Audi's engine has been making some strange noises lately. What could be the cause of this and how should I handle it?

There could be several potential causes for your Audi's engine noises, including loose belts, faulty bearings, or a worn timing chain. It is important to have a professional mechanic inspect your car as soon as possible to identify the source of the noise and prevent any potential damage.