How do I replace the air filter in my Audi A6?

The air filter in your Audi A6 should be replaced every 30,000 miles or as recommended in your owner's manual. Failure to replace a dirty air filter can result in poor engine performance and reduced fuel economy. In order to replace the air filter, you will need to locate the air filter housing and remove the old filter. Then, install the new filter and secure the housing. Regularly replacing your air filter is an important maintenance task that can save you money and improve the overall performance of your Audi A6.