You can create and edit of Munich-related articles.
You can do translations from German Wikipedia to English Wikipedia on Munich-related articles.
You can help do assessments of Munich-related articles.
You can help expand articles currently in the Stub-class and Start-class.
You can help reference articles.
Since original research is against Wikipedia policy, you can research topics to expand. This means you don't need to know anything about Munich.
You can help expand stubs and start-class articles and help finetune other articles into Featured article status.
A WikiProject of this nature is very broad. Munich has a rich history in sports, culture, politics along with many more topics. Feel free to help out in your area of interest.
If you want to check the project out you can click the link above. If you want to join the project, you can sign up here.
If you have any questions feel free to contact myself or any other member of the project.