Upgrade your BMW's performance with K&N's top - notch washable and reusable High - Flow Air Filters. These filters feature a cutting - edge layered, oiled cotton media design. They're engineered to boost airflow, capture contaminants, and increase horsepower. Each filter is reusable and built to last the entire lifespan of your vehicle, backed by K&N's 10 - Year/Million Mile Limited Warranty. K&N drop - in replacement filters are a breeze to install in your factory air box. Start enjoying superior airflow and performance today with K&N's most popular product! This part fits multiple BMW models from 2015 to 2022, including 230i, 320i, 330e, 330i, 340i, 430i, 440i, and M240i in various configurations.
Using your K&N air filter is easy. First, locate your factory air box in your BMW. Open the air box and remove the old air filter. Then, simply drop in the K&N replacement filter. Make sure it fits snugly and close the air box. For maintenance, check the filter regularly. If it looks dirty, it's time to clean it. You can use a K&N filter cleaning kit. Follow the instructions on the kit, which usually involve washing the filter with the provided cleaner and then re - oiling it. Keep in mind not to over - oil the filter as it can affect its performance. Also, store the filter in a clean, dry place when not in use. With proper care, your K&N air filter will serve you well for the life of your vehicle.
