Closed does not necessarily mean non-functional. At least one of the BMW hybrid concepts (the Vision IIRC) had active grille vanes that closed for aerodynamic efficiency when cooling airflow was not needed. Perhaps that technology has carried over to the 4 Series?
Originally Posted by jackson328xi
Do you guys think that the grills will be functional on the production model? ... Maybe closing off the kidneys is form following function in this case, but at that point they should just be eliminated. Who knows.
2011 335xi Individual 6MT - Azurite Black Metallic / Oyster & Black / Anthracite Maple + all the good stuff
N47° 35' 30.13" E11° 10' 33.36"
- End of break-in...you can guess what came next. BMW CCA