Though the BMW 135i earned a five-star overall Euro NCAP rating in 2012, the US NHTSA testing was limited to frontal crashes.

Just this once, could we forget about the latest-gen BMW 1 Series being front- instead of rear-wheel drive-biased? No? OK, at least we tried. Putting its understeering nature behind, let’s move on to ...

MANHART is best known for modifying fast German cars such as the BMW M5, Porsche 911 Turbo S, and the new Mercedes-AMG SL, but sometimes it also turns its hand to something a bit more familiar such as ...