This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity. This media is best suited for street use. Pro DRY S filters are easily recharged with aFe's POWER CLEANER. aFe POWER performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing increased flow and greater dust holding capacity. This pliable sealing surface conforms to even the most uneven filter housing, making for a perfect filter fit and sealing surface every time. This design eliminates the use of gaskets or sealants and always goes back to its original form. All aFe POWER flat panel performance air filters are constructed with a full 360-degree polyurethane frame. Unlike other materials that degrade after repeated heat cycles in an engine bay, polyurethane maintains its original molded shape.. Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media (Pair) BMW M2/M3/M4 (G8X) 21-25 L6-3.0L (tt) S58. Pro DRY S Filter Media Features Three Layers of Progressive Synthetic (Dry) Media for Maximum Convenience. Deep, Open Pleats Allow for Increased Surface Area, Flow, and Dust Holding Capacity. Progressive Bump Seal Design for a Perfect Fit and Sealing Surface Every Time. Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media (Pair). 100% Polyurethane Frame on All Sides for Extra Long Filter Life. aFe 23-24 BMW M2 (G87) Magnum FLOW Pro DRY S Air Filter. Includes Two Air Filters (Left & Right). Magnum FLOW OE Replacement Air Filter. Magnum FLOW Filter

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