DNA Air Filters - Air Filter for BMW R 18 20-23This filter features DNAs 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 DNA Cotton. The flow of this new DNA filters' set is +22. 35% more than the stock filters'! DNA air filters' flow: 124. 30 CFM (Cubic feet per minute) @1,5H2O
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product description
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This filter features DNA®’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 DNA® Cotton.
The flow of this new 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 @ 25°C
BMW stock filters' flow: 101.60 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25°C
These DNA® filters are designed as High Flow Air filters for: ‘Road use’.