How to keep my Audi engine running smoothly?

I have noticed my engine is not running as smoothly as it used to. What steps can I take to maintain its performance?

Regularly change your oil and filters according to the manufacturer's recommended schedule. This will help keep your engine clean and functioning properly.

Have your spark plugs checked and replaced if necessary. This will ensure that your engine is getting the proper spark for optimal performance.

Make sure your air filters are clean and replace them when needed. This will help your engine breathe better and run more efficiently.