The flaps open and close depending on whether GT’s wing is up or down, so the car remains aerodynamically balanced from front to back at all speeds. When the wing is up, the ducts close to increase downforce; when the wing is down, the ducts open to decrease downforce.
BMW F82 M4 GTS
The Air Curtain optimises the flow around the front wheels and reduces the turbulent wake and vortices.
Fünfbandsystem (5-Band System)
Opens and closes the shutter according to vehicle condition in order to manage air flow into the engine room.
Heat management is enhanced and air-resistance loss is reduced in the engine room in order to enhance fuel efficiency.
Airflow collected from front diffuser and directed through wheel arch to the radiator