U.S. BMW i3 REx Actually Has 2.4 Gallon Gas Tank, But Clever

Recent developments reveal that the fuel tank capacity of the i3 REx was not physically reduced, but rather controlled via software. This was accomplished by shutting off the fuel pump at 1.9 gallons.

This Is Why You Should Buy A 2018 BMW i3s

Part 3: 2014 BMW i3 - Long Term Review

BMW i3 REx: Road-Tripping With 72 Electric Miles, 1.9-Gallon Gas Tank

Tested: 2017 BMW i3 EV

Gasoline range extenders like those in the BMW i3 mean more EV miles travelled

Used 2014 BMW i3 For Sale at Mac Haik Ford

If you drove a BMW i3 with range extender from SF to LA, how often would you have to stop for gas? - Quora

BMW i3 REx Electric Car: 'Coding' Unlocks Features Owners Want (And May Void Warranty)

Used 2019 BMW i3 For Sale at Passport Motors