DeutschTuning proudly offers aFe Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Media BMW M3/M4 2015-2020. These 6" tall 360-degree radial flow air filters feature our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Their progressive layering provides great filtration efficiency and dust holding capacity, while not requiring the use of oils. This media is best suited for street use. Their inverted top makes for more filter surface area, resulting in longer service intervals. Dyno-Proven Gains up to +19 HP & +17 ftLbs. TQ. Outflows Factory Intake by 32%. Measured Flow: 765 CFM @ 7" H2O. Open-Element Design Allows For Viewing of the Air Filters, Yet Seals When Hood is Closed to Keep Out Hot Air. Washable and Reusable Pro DRY S Air Filters for Maximum Convenience. Brushed Aluminum Accent on Intake Tube Makes for a Unique Look Under the Hood. Innovative Filter-to-Housing Interface and Minimal Hardware for Fast and Easy Installation