in my opion - the best show in Germany!! time to drive there 4-5 hours from Ramstein.

here the links:

http://www.tuningworldbodensee.com/twb-en/

here the location, called Friedrichshafen (shame, most people do not know)

https://www.google.de/search?q=friedrichshafen&source=lnms&tbm=isch&sa=X&ved=0ahUKEwja8qaL6dzaAhUECMAKHebID7wQ_AUIDSgE&biw=1024&bih=622

here some impressions about the event....

https://www.google.de/search?q=tuning+world+bodensee&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiBudLF6NzaAhXNVsAKHRrXDw8Q_AUICygC&biw=1024&bih=622

have fun, if you go - and drive safe!!