When you think about German performance cars, BMW's M series of sports cars often comes to mind. These cars are oftentimes the last word in speed, luxury, and refinement, at least as far as mainstream ...

Here’s a quick and easy way to fill out one’s collection of BMW sports cars. Later this month, RM Sotheby’s is auctioning off a selection of 22 of the automaker’s M cars as part of its annual Munich ...