K&N Replacement Air FIlter 12 BMW 320i/328i 2.0L

Description K&N® washable, reusable High-Flow Air FiltersTM features a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N’s 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product! Part #’s.

13-71-7-597-582 / 13 71 7 597 582 / 13717597582 13-71-8-507-320 / 13 71 8 507 320 / 13718507320 13-71-8-507-321 / 13 71 8 507 321 / 13718507321 13-71-8-511-655 / 13 71 8 511 655 / 13718511655 13-71-8-511-668 / 13 71 8 511 668 / 1371851166 137-185-732-0 / 137185732 0 / 137 185 732 0 / 1371857320.