Why is it important to regularly maintain the air filter in an Audi A4?

I've heard that air filters can significantly impact the performance and lifespan of a car. How often should I replace the air filter in my Audi A4 and why?

Replacing the air filter in your Audi A4 every 20,000 miles is recommended. A clogged air filter can affect your car's fuel efficiency, engine performance, and emissions. Keeping it clean helps maintain optimal engine health and prolongs the life of your vehicle.

Maintaining the air filter in your Audi A4 is crucial because it is responsible for keeping dust, dirt, and other contaminants out of your engine. Neglecting to replace it can lead to decreased horsepower, engine problems, and costly repairs in the future.