I don't have 13.5s on my OEM wheels yet. Once the OEM BFGs are worn, I'll go w 39x13.5x17s.
Yes there's a gap between the bumper and body. It doesn't bother me but some people would hate it.
The last picture shows the upper control arm with the OEM 37x12.5 tires on the OEM wheels with .75"...
I got some Borla .75" spacers so that I can use my OEM forged headlock wheels with 39x13.50 BFGs. That will be the equivalent of a +15.
I have a set of 38x13.50 Falken RT1s on my RaceLine 9x17 +25 forged beadlocks with no rubbing. I have a 1.5" body lift.
My F150 came with 20s & I went with 22s (to clear Wilwood BBK) for about 12 months. I removed the BBK and went to 17s and will never go back.
My Bronco has 17s & sometimes I wish I had even more sidewall.
But it's your Bronco, so you build it out your way.
I've fixed or adjusted most of what you noticed. If you leave the door open, you don't get a double honk. The MGV is great. I have over 23,000 miles on my 8 month old BRaptor.
Lots of different reasons for handicap tag. My wife can climb into my BRaptor (w rockslide engineering sliders & grab handles) but she can't go any distance due to MS.