AEM Dryflow Conical Air Filter 5.25in Base OD / 4.75in Top OD / 7in Height 1997-bmw-528i-base-esi6489709 • 100% combed and ring-spun

• 100% combed and ring-spun cotton (Heather colors contain polyester)

Noticeably improved engine response and acceleration

The commonly available replacement filter cartridges filter particles as small as 7 microns

evenly spaced pleat design which allows for more usable filter surface area

more reliable and uninterrupted fuel delivery with less power consumption and potential for wear or failure

AEM Dryflow Conical Air Filter 5.25in Base OD / 4.75in Top OD / 7in Height 1997-bmw-528i-base-esi6489709 • 100% combed and ring-spunAEM Dryflow Air Filters were developed in collaboration with K&N, the inventor of High Flow Air Filters. We adopted some of the best elements of cotton air filters into a new generation synthetic Dryflow Air filter. The three dimensional filtering medium uses both depth loading and structural screen wire to enhance airflow capabilities and make the filter incredibly easy to clean. The result is a true performance air filter that does not require