Using your Injen Evolution Air Intake is a breeze. First, gather all the parts included in the kit. The installation is designed to be quick and simple, thanks to the Twist - Lock System. Just follow the step - by - step instructions provided. Make sure all the connections are secure, especially the band clamps and silicone couplers. When it comes to maintenance, check the SuperNano - Web Dry Air Filter regularly. If it looks dirty, you can clean it according to the cleaning instructions. Keep in mind that a clean filter is essential for optimal performance. Also, inspect the hardware from time to time for any signs of wear or damage. If you notice any issues, contact Injen's customer service. Enjoy the extra power and torque this intake system brings to your BMW!