I like the pix and all, but looks like the gear stuck in place and the worm just sat there and ate through it. So not the gearing that caused the issue, but that it seized at some point and the cylindrical gear just chewed it up.
2013 S4 Loaded (and NO RFT's) Awesome is an understatement
2008 MT X3
RIP you were a faithful sidekick and will be missed.
2007 AT X3 RIPOS
2000 Jeep Cherokee
1997 Twin Turbo RX-7
1984 GTI Wolfsburg Edition Neuspeed and more