BMW Z4 Coupe, Tuned: AC Schnitzer Profile Concept

Navigating the extremes in BMW tuning, Germany's AC Schnitzer likes to have a good laugh once in a while, usually at BMW fans' expense. First it was the Tension concept, a flamboyant 6-Series prepared for the Frankfurt show in 2005. This year, seeing it's Frankfurt time again this September, ACS again has a… » 8/01/07 4:00pm 8/01/07 4:00pm