WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Place Puller On Ball-Cage
Courtesy of AUDI OF AMERICA, LLC
-- Remove the ball-cage assembly from the bearing inner race -2-.
-- Place the puller -1- as shown on the ball bearing race -arrow- of the bearing inner race.