K&N 04 BMW 525i 2.5L-L6 Drop In Air Filter - 33-2292 fits_2009-2021`Nissan`370Z~2004-2008`Nissan`350Z~2003-2007`Infiniti`G35~2008-2014`Infiniti`G37 most owners can complete the

most owners can complete the install in under 30 minutes using only basic hand tools

OEM integration or standalone control

Its progressive layering allows the filters to flow at high levels even when dirty

Finished with signature 4

Installation: 100% bolt-on system with OEM-style valve integration

K&N 04 BMW 525i 2.5L-L6 Drop In Air Filter - 33-2292 fits_2009-2021`Nissan`370Z~2004-2008`Nissan`350Z~2003-2007`Infiniti`G35~2008-2014`Infiniti`G37 most owners can complete theK&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 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your