K&N Luchtfilter Olie - Voor Luchtfilters | Air Filter Oil BMW 4 Serie G23 Cabrio The side skirts are delivered

The side skirts are delivered fully complete

These side skirts are of very high quality and guarantee a perfect fit

They are plug-and-play and of high quality

Geschikt voor de BMW 3 Serie E90 / E91 uit het bouwjaar 2005-2012

K&N Luchtfilter Olie - Voor Luchtfilters | Air Filter Oil BMW 4 Serie G23 Cabrio The side skirts are deliveredFilter oil specially developed for K&N cotton filters. This oil turns the cotton a light red color, making the oiled parts recognizable. Instructions for oiling are printed on the packaging. How often should the K&N filter be cleaned? K&N air filters are high quality filters, both in terms of airflow and filter performance. Maintenance intervals depend greatly on the application. A rallycross filter might need to be cleaned every 150 km, while a