K&N Replacement Air Filter (33-2478) BMW Z4M They are made from large

They are made from large

It’s worth remembering that this is with a stock ECU and no tune

with a cold-formed stamped band thread

This fits on intercooler part no

fit our adaptor and refit the original sensor into our adaptor

K&N Replacement Air Filter (33-2478) BMW Z4M They are made from largeK&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