Mercedes Benz Control Unit (031 545 0932) on 2040-parts.com

BMW Alpina B6 Bi-Turbo Convertible (2011) at the Frankfurt motor show

BMW’s M Division is busy readying M6 variants of both the 6-series Coupe and Convertible, but if you can’t wait until 2012 – or if you want a fast but understated Six – then Alpina has just the car for you. It’s the BMW Alpina B6 Bi-Turbo Convertible, just unveiled at the 2011 Frankfurt motor show. And I’m guessing the BMW Alpina B6 Bi-Turbo Convertible does exactly what is says on the tin?

Sacramento, Salt Lake City, Los Angeles top road frustration study

Weather, crashes, traffic and attitude--these are the things that make our commutes unbearable. Now, the RoadIntel.com Web site has ranked cities based on its "road frustration index." The index is based on how weather affects the roads, the amount of traffic, the number of crashes and driver sentiment, which is calculated by searching for keywords such as "traffic jam" and "stuck" on Twitter. On the site, you can look at cities ranked day by day and even hour by hour.

Bugatti loses top speed record, teases new garage doors

Bugatti placed this teaser shot on its Facebook page Monday with a cryptic quote. “The stage is set. It's almost time for us to share the latest example of exceptional Bugatti performance, simply keep a close eye on Facebook over the next few days.” Rumors floating around say this could be the Super Veyron we've heard whispers of.