A/C fan won't turn off and now dead battery
2000 BMW 528i - yesterday when I turned off ignition, the A/C fan kept running. I tried turning off everything I could think of, no luck. I went ahead to take care of an errand and when I came back a few minutes later, the fan had turned off. Got back to work, turned car off and the same thing happened again. Had to get back to work and thought maybe it would turn itself off again after a few minutes... wrong! After I got off work the car was completely dead, I couldn't even manually unlock the driver-side door. I can open the trunk though for what that's worth. Any ideas on how to proceed would be greatly appreciated! Thanks...