Well, I've had yet another power window fail, driver's side front. There is still voltage to the junction block just under the door handle, but no movement. I'm guessing it's just the motor that needs to be replaced. Do the regulators fail very often? Should I replace the regulator as well? I have the one with the black plastic case - Brose Coburg I believe, is it more suseptible to failure than the R & S regulator?
Thanks
Darryl

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'91 190E