There are a variety of financing options for stays abroad that can help you realise your plans.
With an Erasmus grant, you can realise both a study stay and an internship in Europe and beyond.
PROMOS is a programme that promotes the mobility of students from German universities.
If you recieve BAföG, you could also qualify for BAföG abroad.
Use your political and extracurricular interests as well as your academic achievements to your advantage.
All other options have been exhausted? There are still student loans.