BMW Skunk Works Readies M10

While our favorite Bavarian automaker builds an awful lot of super-sweet rides, they can't seem to get a grip on the whole sports car thing. Seeing an E39 M5 still makes our day, but in the back of our mind we know it is but a big-engine shoved into a 5-series and all the limitations that follow. Yeah, the M1 was a… » 5/30/07 9:15am 5/30/07 9:15am