K&N 09-10 BMW 523i 3.0L-L6 Drop In Air Filter - 33-2970 fits_2012-`Mercedes-Benz`SLK consistent gloss that holds its

consistent gloss that holds its finish under UV and weather exposure

Does not fit JCW models

Manufactured from lightweight hand-crafted carbon fibre

Restores original driving comfort

4212104 is a 4-pad spring-centered race disc made with high quality

K&N 09-10 BMW 523i 3.0L-L6 Drop In Air Filter - 33-2970 fits_2012-`Mercedes-Benz`SLK consistent gloss that holds itsK&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