The BMC enclosed air filter is an air filter for the Volkswagen Golf 5 1.4 TSI 140HP. The Carbon Dynamic Airbox system consists of a carbon-fiber airbox, a filter and an airflow duct. Its design delivers air to the engine at higher pressure and lower temperature, with the aim of increasing power and torque.
- Type: Enclosed air filter
- Brand: BMC
- System: Carbon Dynamic Airbox
- Airbox material: Carbon fiber
- Compatibility: Volkswagen Golf 5 1.4 TSI 140HP
- Engine code: CDASP-29
- Performance goals: Power and torque