Description & Size Guide
This filter features DNAr's advanced FCd (Full Contour design). Installation of this DNA Air filter is very easy; simply follow the installation instructions included in the BMW workshop manual. The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011); with 4 layers of DNAr Cotton. The flow of this DNA filters'' set is +22.35% more than the stock filters''! DNA air filters'' flow: 124.30 CFM (Cubic feet per minute) @1;5"H2O corrected @ 25degrees CelsiusBMW stock filters'' flow: 101.60 CFM (Cubic feet per minute) @1;5"H2O corrected @ 25degrees Celsius. These DNAr filters are designed as High Flow Air filters for: `Road use'.
BMW: 20-21 R 18 1800cc
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