I had one blow on my passenger rear of my E92-335. It made a noise like a gunshot. I couldn't go over like 20 mph without it squirming all over the place because the sidewall was damaged too. Never figured out why it blew unless I hit something. I got it to a Bridgestone/Firestone dealer since it was Bridgestone Potenza RFT and the closest BMW dealer was like 80 miles away at the time. It took them a day to get the replacement tire which was a pain. The tire was $389
