BMW of Northwest Arkansas

BMW has let another rendering slip, but whether or not this was on accident or merely a creative publicity stunt, well we may never know. But one thing is for certain, we know what the 2011-2012 BMW 6-Series Cabrio production model will look like.

The new 6-Series convertible "Cabrio" styling features the same front end as your next generation 6-series coupe, but with a new look at the rear. The trunk is stumpier, a little wider, with tail lights pushing into the car and not protruding too much from the trunk.

The drop top is soft, sleek and it retracts…

BMW is well known for having some of the most advanced vehicle concepts in the automotive industry. From their Blue Efficiency electric car to iDrive systems, being a originator of auto technology is in the German Auto Maker's blood.

With that, BMW has introduced their Gran Coupe Concept at 2010's Beijing Auto Show.

The Gran Coupe is indeed grand - with a sleek, low-slung, long-wheelbase design. Gran's coupe-like roofline and short overhangs give the appearance of a roaster about to take off. And even though the "coupe" name makes you think two-door, this concept actually has four, making…