K&N Replacement Air Filter (33-2222) BMW > 1 Series > E82 2Dr Coupe 2007-2013 > 1M 2011-2012 (N54) 1 x FMDVSUB01 Valve

1 x FMDVSUB01 Valve

As used in WRC and F1

The valve itself is of piston design for longevity with the ability to be serviced and tuned with replacement springs if required

This unique spring design will also allow for unrestricted piston travel and flow volume regardless of the amount of pre-load adjustment added to the spring

PFF60-8025P

K&N Replacement Air Filter (33-2222) BMW > 1 Series > E82 2Dr Coupe 2007-2013 > 1M 2011-2012 (N54) 1 x FMDVSUB01 ValveK&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