• This filter features DNA®’s advanced FCd1(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 efficiency2 is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA® Cotton.
• The flow of this new DNA filters’ set is +35.29% more than the stock filters!
• DNA air filters’ flow: 85.58 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius
• BMW stock filters’ flow: 63.26 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius
• These DNA® filters are designed as High Flow Air filters for: "Road & City use".