The BMC FM556/20 motorcycle air filter features cotton gauze impregnated with low-viscosity oil, providing increased airflow compared with paper filters. Its Full Molding construction is made from a single piece of soft rubber, with no bonded joints at the corners, while the epoxy-coated mesh alloy is protected against gasoline vapors and oxidation caused by moisture.
- Type: Motorcycle air filter
- Filter material: Cotton gauze impregnated with low-viscosity oil
- Construction: Single piece of soft rubber, with no bonded joints at the corners
- Frame: Epoxy-coated mesh alloy
- Compatibility: BMW S1000RR