Removing forward/back seat adjustment motor
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. 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.