BMW was one of the first car manufacturers to debut a mass-market EV, the i3, in 2013. Like every non-Tesla EV from that era, the i3 was a quirky, hatchback-type thing with a city car range.

Rich's idea: he wants to fit a larger additional gasoline tank in the frunk, the front trunk of the BMW i3, to save himself frequent refueling stops. No sooner said than done: the YouTuber fits a ...