This has happened before in the US, but never before in Europe. Its pretty clear why virtually all major auto manufacturers are pushing for electric vehicles. BMW has the iPerformance plug-in hybrid line and BMW i which produces the i3 and i8. Porsche has the Mission E, Audi with the e-tron, Jaguar with the I-Pace, and Mercedes with the EQ.
http://europe.autonews.com/article/20180220/ANE/180219831/tesla-model-s-outsells-german-luxury-flagships-in-europe
http://europe.autonews.com/article/20180220/ANE/180219831/tesla-model-s-outsells-german-luxury-flagships-in-europe