"A brief overview on how to efficiently drive the BMW i3."
States the video description.
Though the BMW i3 was designed from the ground up to be the most-efficient vehicle available today, a lot of that efficiency lies in how the driver drives the i3.
Hammer down, the i3 won't be so efficient, but driven the right way, the i3 will reward you with efficiency that's unmatched by any other vehicle out there.
Here's a brief primer video on how to drive the i3 in the most efficient ways possible.