Removing The Large Ball Bearing -B- From The Center Differential
WARNING: This page is about a different car, the 2010 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
-- Install the VW 447 H with the small diameter in the center differential.
-- Place the 40 - 105 on it.
A - Three arm puller, for example Kukko 45-2