Didn't know you could just buy that part only...both of mine destroyed themselves within a year of each other in the same manner, and I was told that I had to replace the entire regulator w/motor as the part was not sold seperately!

Oh well, each was $140 (just replaced one last week)...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car