I don't know if this helps your friend but I know BMW in Munich is hiring. A lot...

I don't know if this helps your friend but I know BMW in Munich is hiring. A lot of departments are fine with English speakers. I found a couple of examples for him if they are useful:

https://recruiting.bmwgroup.de/ibs/Servlets/ibs/controller/s...

I'm sure Mercedes and Audi would also have similar openings.