The BMC FM491/20 motorcycle air filter for the BMW G650 GS uses cotton gauze impregnated with low-viscosity oil to allow increased airflow compared with factory paper filters. Its Full Molding construction is made from a single piece of soft rubber, with no bonded joints at the corners, reducing the risk of breakage.
- Type: Motorcycle air filter
- Filter material: Cotton gauze impregnated with low-viscosity oil
- Construction: Single piece of soft rubber
- Technology: Full Molding
- Compatibility: BMW G650 GS