The BMC 01-08 Audi A4 1.6L Replacement Panel Air Filter is designed to provide superior air filtration for your car. This air filter is made to fit perfectly in your Audi A4 1.6L engine, and is constructed with a high-performance cotton air filter media that helps to keep harmful contaminants out of your engine. It is designed to provide maximum airflow and engine protection, while also helping to reduce fuel consumption. This air filter is easy to install and maintain, and comes with a one-year warranty.