DNA Air Filters - Air Filter for BMW R 100 / R 65 / R80 / R48 import_date_2026-01-19 despite what the weather is

despite what the weather is doing

Outside width: 65mm

All pistons are heat treated with a T-5 hardening and tempering cycle

both on and off-road

Designed for the engine and transmission rebuilder

DNA Air Filters - Air Filter for BMW R 100 / R 65 / R80 / R48 import_date_2026-01-19 despite what the weather isThis filter features DNA's advanced FCd (Full Contour design). Installation of the filter is very easy, simply follow the information that can be found in the BMW workshop manual. The filtering efficiency is extremely high at 98 99% filtering efficiency, with 4 layers of DNA Cotton. The flow of this DNA Fcd filter is very high, 28. 05% more than the BMW stock paper filter! DNA Fcd air filter flow: 204,50 CFM (Cubic feet per minute) @1,5"H2O corrected