Schleissheim Palace is an impressive structure that has housed some of the region's most important people. Allow some time in your itinerary to view it for yourself.
You'll be spoiled for sightseeing choice when in Oberschleissheim. Schleissheim Palace is a good place to begin here, but there are plenty of other worthy places to appreciate. BMW World, Olympic Park, and Allianz Arena are not far from the historic stately house and will fill in your day nicely.