Keeping the oddly designed bulk of the X6 M on the road is a sport-tuned version of BMW's all-wheel-drive system. Four tailpipes increase exhaust flow, while a rear diffuser helps with aerodynamics.
Back to 2009 New York auto show coverage.
April 10, 2009 11:50 AM PDT
Photo by: Sarah Tew/CNET
| Caption by: Wayne Cunningham
Conversation powered by Livefyre