WTF is Apple doing with a secret, car-focused office in Berlin?

Hey Apple: WTF is going on in Germany?
The Cupertino company might be up to something on the down low in Deutschland, according to Business Insider's Sam Shead. The reporter investigated rumors of a secret Apple office focused on automotive development in Berlin, following an initial leak last year that Apple was snatching up German engineering talent in the wake of Microsoft's acquisition of Nokia.  
It took almost half a year, but Shead's tenacity appears to have paid off. He claims to ha