Ours is a 2014 BEV. I've been investigating adding a stone guard screen behind the louvered grill, so I've become quite familiar with this grill. There is no movable shutter in our grill. Unlike the REx grill that has 3 rows of openings between 2 horizontal grill louvers, the top row of openings on the BEV grill is permanently closed so there are only 2 rows of openings. The difference must be due to the REx requiring more cooling because of its REx engine.
2014 BMW i3 Arravani Grey, Giga World, Tech + Driving Assist, Parking Assist, DC Fast Charging, JuiceBox EVSE