Why does my Audi A7 have a rough idle when I start the engine?

I recently purchased a used Audi A7 and have noticed that when I start the engine, it has a noticeable rough idle for the first few seconds before smoothing out. Is this normal or should I be concerned about potential engine issues?

This rough idle could be due to a variety of factors, such as a dirty air filter, faulty spark plugs, or a vacuum leak. It's always a good idea to get a check-up from a trusted mechanic to properly diagnose the issue and ensure your engine is running smoothly.