The aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW 7-Series 02-08 V8-4.4L/4.8L is a performance air filter designed for the BMW 7-Series from 2002-2008 with a 4.4L or 4.8L engine. This filter is constructed with 100% polyurethane on all sides for long-lasting durability. It also features a progressive, oiled, 5-layer cotton gauze media that provides maximum airflow for improved performance. The filter is designed to provide maximum filtration efficiency and can be used with the aFe Pro Dry S or Pro 5R air intake systems.