BMW i7: What You Need To Know
"Rumours persist that the new i7 will be the modelís most potent offering. Powertrain details remain corralled in the Speculation category. However, it could offer as much as 650 bhp (484 kilowatts) or more, supplanting the M760i with its twin-turbo 6.6-litre V12 engine as the carís most potent option. Allegedly, the carís battery pack could offer up to 400 miles (644 kilometres of range). BMW likely wonít confirm these details anytime soon as we donít expect the i7 to arrive until 2022."
That's according to latest media reports, one which I read here
This is a recently spied i7 prototype that looks nearly complete:
Also, one source believes it could look like this at production: