In July 2017 as a preventative maintenance I replaced the drive belts, water pump, pulleys and more. It seemed to be working fine at the time. In May 2021, while driving my well-maintained BMW, my power steering failed. I pull over to find my drive belt dangling in the engine compartment. (see photos) Of course I'm more than 15 minutes away from home. I can't get home without a generator connected. Great, now I'm in a bind. Further investigation revealed that the pulley I replaced (which worked