Lots of good suggestion here I don't think I can contribute anymore...

But not sure if you're a car person but you can rent a car at BMW Welt for few hours or even overnight! Last time I was there was 2015 and I rented the M6! I wanted to rent the i8 but it was fully booked . But the M6 was still nice, was able to do 210km/h! could have gone faster but its Munich autobahn can be busy, plus some parts had a speed limit.

The Marienplatz is their Square where the Neues Rathaus and St. Peter's Church.

Also Hofbräuhaus is a traditional tourist place, even if you don’t like to drink beer their food is still very good!

If you drive to Salzburg, you can check out the house of the Von Trapp family from the Sound of Music.