Entertaining door lock story from the NC dookie, but yeah, its a common problem. When the weather warms a little end of the week I'll do mine; I've been doing the 'roll down the windows' thing for a couple of weeks and its getting old. As you see from my sig, my X5 is a late E53, same problem as you 2001 MY owners ....

__________________
2006 X5 3.0 6-spd w/Evo UUC ssk
sport/premium pkgs
born Valentine's Day, 2006.