Although it looks like they've been inactive for the past year these Dutchies are a fun bunch: https://www.facebook.com/BourgondischeBarrels/
And I know they did a ride to Munich. Maybe try and contact and ask them?
And there's some old threads you can search (some members only ones I can sift through for you)
https://www.mopedarmy.com/forums/read.php?1,4136432,4136592
And maybe ask this lonely fella what he ended up doing: https://www.mopedarmy.com/forums/read.php?1,505809,505809