Differential Drive Flange (Left Or Right): Removal
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
Remove axle shaft from rear differential. Place shaft aside and tie up out of the way. Place a plastic mallet in position and knock out drive flange with another hammer. See Fig 1.