Originally Posted by iflyjetzzz
ShastaMan, I think he's referring to the battery being in the trunk of the car vice under the hood. I consider that (putting the battery in the trunk) to be another Rube Goldberg feat of engineering.
It is actually for weight balance and moment of inertia chassis design purposes, and an added benefit is the battery is subject to much less vibration and temperature extremes. It's been a design philosphy of BMW for at least 35 years now.