Think of the long pillar-to-pillar ... create a 3-D floating screen effect. (Unlike a traditional HUD, you can see it with polarized sunglasses, so no worries there.) BMW engineers tell me this ...

The huge screen is augmented with a 40-speaker ... but a regular 7kW unit will take three times as long. Overall, while the BMW i7 isn’t a class leader either in range or efficiency, it can ...