Symptoms of the actuator motor worn out. At first when they start to fail, they will work some of the time, often only work one way like will lock not unlock.

I have a DIY repair of the $6 motor vs $230 actuator replacement. Search my username and awr-fix in the title.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)