Part Number : P-BM18CR20-01
 
DNA replacement air filters are designed to increase hp and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple.They offer bigger air-flow, with almost 99% filtering efficiency. It's ideal for BMW R18 (20-23).
 
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 @ 25degrees Celsius
BMW stock filters' flow: 101.60 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius
These DNA® filters are designed as High Flow Air filters for: ‘Road use’.