You need to make sure that you are looking at RH drive P/N if that is what you have. I would take the door card off and recheck your work and connections, if that is all good then try tapping on the actuator while trying to work it.

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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)