K&N Replacement Air Filter (33-2382) BMW 3 Series our tuning partners approached us

our tuning partners approached us to develop a 2nd version that would be specifically designed for those running 500+ BHP

that offer real-world increases in power and impressive temperature drops

a premium-quality replacement part designed for the Front axle of select BMW 3 Series models

the additional boost pressure will quickly exceed the capacity of the OEM spring to keep the valve closed under higher boost levels

K&N Replacement Air Filter (33-2382) BMW 3 Series our tuning partners approached usK&N washable, reusable High Flow Air Filters feature 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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your