I agree that Dachau should be at the top of the list for visitors to Munich, irrespective of religion. Moreover, it is only about 30 minutes from the center of the city and just a bit past the BMW factory (which is a big tourist destination).
Now, having posted my personal opinion, I am donning my Moderator hat and moving this thread to the Germany Forum.
Obscure2k
TravelBuzz Moderator.
P.S. Welcome to Flyertalk