Gerd & Ulli were great hosts, very friendly and accommodative. The apartment is also very well kept and impeccably equipped, especially the kitchen which my wife loves. It is also easy to find as it's co-located with the Deutsches Theatre and extremely convenient within reach from the Hauptbahnhof (main train station) or Karlsplatz U-Bahn underground/subway station. The building is along the main road, surrounding environment is safe and vibrant.
Its so accessible that we managed to cover most of the Altstadt (old center) and its iconic places of interests to the West of the apartment on foot. We went as far West where the Englischer Garten, Munich's famous city park is.
My wife & I would give 4 out of 5 stars for our stay and experience with Gerd's & Ulli's beautiful apartment as we move on to Vienna for our next destination.