Removing forward/back seat adjustment motor
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.
Unfasten plug connection (1) and disconnect.
Unlock retaining tabs.
Lift drive (1) with flex shaft out of guide in direction of arrow.
Pull flex shaft on left and right out of gearbox.