aFe Pro DryS Drop-In Filter 1995-2007 BMW M3
The aFe high flow, oil-free OE replacement drop-in performance filter will out flow BMW's stock paper filter which results in improved horsepower and torque for your BMW. The Pro Dry S's two layers of progressively finer mesh synthetic media provide convenience and easy maintenance , plus maximum airflow for superb performance results. Washable and reusable for many cleaning cycles, the tall, open, evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. aFe designed their Pro Dry S drop-in filter with urethane bump seal insures tight, no leak seal over the life of the filter.