BMC Racing Air Filter for BMW R 1250 GS / Adventure from 2019 to 2023 and R 1200 GS from 2013 to 2018.

Single-piece filters (no seals that could cause breakage)
Special cotton filter material soaked in low-viscosity oil
Epoxy mesh highly resistant to gasoline fumes and oxidation
Washable cotton, therefore reusable
Optimal airflow ensuring minimal power loss compared to traditional paper filters
The characteristics of a cotton filter can be summarized as permeability, filtration, retention, and reusability.

Permeability: offering minimum resistance for maximum airflow
Filtration: preventing foreign bodies from entering
Retention: retaining solid particles
Reusability: cotton filters can be reused with specific BMC maintenance products