Hello @Laius,
I just noticed that you have asked hist question in the section "Home and living" a short time ago: https://***.wefugees.de/k/questions/2012. What about given answers? Would you please tell us if they were helpful and in case if not, what were the reasons why?
Did you try the online service wg-gesucht? Concerning Munich there are the following offers for a room in a WG: ****://tinyurl.***/yd4z9oyq (German language).
More links:
Studenten-WG.de - München: ****://tinyurl.***/y977yzqr
Wohngemeinschaft.de - München: ****://tinyurl.***/y84l9zx3
If you are on facebook, you can try these offers:
Wohnungen frei in München: ****://tinyurl.***/y8vannfh
Salz&Brot - Mietwohnungen in München: ****://tinyurl.***/yantwpv9
Wohnungen von Privat für Privat in München: ****://tinyurl.***/yddwu6wy
Good luck!
Jan