Upgrade your BMW with the K&N washable and reusable High-Flow Air Filter. This state-of-the-art filter features a layered, oiled cotton media design that boosts airflow, captures contaminants, and increases horsepower. It's built to last the entire lifespan of your vehicle and is backed by K&N's 10-Year/Million Mile Limited Warranty. The drop-in replacement filter installs easily into your factory air box. Start enjoying superior airflow and performance with K&N's top-selling product today! This filter fits a wide range of BMW models from 1992 - 2005, including the 323i, 325i, 328i, 525i, 528i, 530i, M3, X3, Z3, and Z4.
Using this K&N air filter is a breeze. First, locate your factory air box. Open it up and carefully remove the old air filter. Then, take your new K&N drop - in filter and place it in the exact spot where the old filter was. Make sure it fits snugly and close the air box. As for maintenance, every 50,000 to 100,000 miles (depending on your driving conditions), you'll want to clean the filter. You can use a K&N filter cleaning kit. Just follow the instructions on the kit to wash the filter with the provided cleaner, rinse it gently, and let it dry completely. Once dry, re - oil the filter using the K&N filter oil. Remember, don't over - oil it. Keep this up, and your filter will keep performing great. Also, if you notice any damage to the filter, it's a good idea to replace it right away to ensure your BMW keeps running smoothly.
