first off, I'm glad neither you not anyone else was hurt.
second off, **** stretching. i prefer more rubber than less.
I ran 265s on my 17 x 9s.
Bridgestone potenza run flats. had a blow out on the highway once (due to slight camber from lowering.) heard a pop and knew what it was but the ride didn't change drastically and the ride height on that side barely changed. now I swear by rfts.
and damn, your car is so low you can't even get your scissor jack under them. that **** cray

Heres how the face looks, i painted them with spray paint, they look more f'ked up before lol. Corroding and crap under the clear coat. It bothered me so much lol. I stripped it, sanded it, then painted it again.

Also, the ripped tire is the back right. You can also see the dent on the rim.

this same thing happened to me last year

Apprantly I havent learned yet, but pretty much every year when I swap to my winter rims I dont check for air pressure and my bead always comes off my wheel LoL I suppose better that than busted tire