Warming up some old soup: two extra pictures of the M2 test mule Summer 2014 session at the Nürburgring (no quad pipe exhaust and new front bumper design yet, as spotted during the early Sep 2014 Nürburgring session).
(source:
http://scontent-a.cdninstagram.com/h...47953769_a.jpg)
(source:
http://instagramtag.com/p/vjl8yDwM_j/)