Oh well...I've got a couple of good used regulator assemblies and motors...without guides! Maybe I'll buy a couple of guides and rebuild these...
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car