Christian was actively in contact with me prior to our arrival. He had kindly arranged that we could pick up the keys from his neighbor. The apartment was nice & very personal and clean. It had all the necessities we needed.
The location is excellent - just a few minutes walk from the Isartor S-Bahn station, 10-15 mins from Marienplatz and a walking distance from Englischer Garten. There are many restaurants and Biergartens in the neighborhood.
I can recommend this apartment to all visitors travelling in a group of max 4 people.