After encountering an unrepairable flat on a lonely stretch of FWY and frustrated about the limitations of no spare and a temporary spare, I found an OE wheel online and I now have a real spare. After 3-4 months, I’ve seen no discernible reduction in range. (The heater, on the other hand ...)
The photos show you can store the wheel flipped either way and that you can cover it back up. (Leaving all the cover supports surrounding tire unfastened allows this placement to work.
Commuting with confidence ...