Why does my Audi R8's engine make a loud grinding noise?

I just bought my Audi R8 and now when I start the engine, it makes a loud grinding noise. What could be causing this and how can I fix it?

It is possible that there is an issue with the starter or the starter solenoid. It is recommended to take your car to a certified Audi mechanic for further diagnosis and repair.

Another possibility is that there is an issue with the timing belt or chain. If this is the case, it is important to get it fixed quickly to avoid any potential engine damage.

It could also be a problem with the alternator or a loose belt. Check these components and their connections to see if that is the cause of the noise.