Upgrade your BMW engine performance with the 33-2231 High Flow Air Filter – this premium plug-and-play replacement is specifically engineered for BMW models from 1999 to 2006. Manufactured using cutting-edge layered oil-impregnated cotton yarn technology, this filter delivers exceptional airflow to boost horsepower and acceleration while trapping 99% of harmful contaminants such as dust, pollen and debris. Unlike disposable paper filters, the 33-2231 is washable and reusable. Installation is quick and requires no modifications—it fits perfectly within the original airbox for immediate performance enhancement.
