K&N Replacement Air Filter (33-2865) BMW M140i(x) F21 round K&N embossed chrome-topped high-flow

round K&N embossed chrome-topped high-flow air filter that installs onto the factory mass air sensor within the previous air box space

*Ethanol sensor NOT included

we soon developed the largest and most diverse range of actuator replacements

Fits Type-R and Si models only

The construction of the hose has been engineered to exceed that of the OEM fitments

K&N Replacement Air Filter (33-2865) BMW M140i(x) F21 round K&N embossed chrome-topped high-flowK&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