51 37 000 Removing and installing / replacing complete rear left or right power window regulator: Replacement
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
Swap over FLAT MOTOR FOR POWER WINDOW REGULATOR .