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The DNA air filter for the BMW S 1000 R features a multilayer, pleated filter medium made of oil-impregnated cotton gauze, positioned between two layers of wire mesh. Airflow is 202 CFM, an increase of 9.19% over the OEM filter’s stated airflow of 185 CFM, while filtration efficiency reaches 98–99%. The frame is made of elastomeric polyurethane, and the seal is made of EVA.
- Type: Motorcycle air filter
- Compatibility: BMW S 1000 R 21–25
- Filter medium material: Oil-impregnated cotton gauze
- Cotton layers: 4
- Wire mesh layers: 2
- Mesh material: 5000-series aluminum
- Frame material: Elastomeric polyurethane (PU)
- Seal material: EVA (ethylene-vinyl acetate)
- Airflow: 202 CFM
- Airflow increase: 9.19%
- OEM filter airflow: 185 CFM
- Filtration efficiency: 98–99%