A BMW driver lost control of a $230,000 M4 CS on Wednesday, ending upside down in a ditch. Reports indicate that everyone survived despite the car rolling before it came to rest on its roof ...

Star-spoke 20-inch wheels ... and rear-wheel drive. BMW’s snappy seven-speed dual-clutch gearbox is also standard fit. The M4’s three-piece folding roof is also unchanged, although you pay ...