which makes quick work of the BMW factory warranty while bumping the horsepower from 225 to 310, and torque from 214 to 280. An M3 by comparison makes 333 and 262, respectively. To this ...

BMW says production ... Inside, the M3 CS does without the composite door panels of the M4 CS – perhaps reflecting the slightly more everyday nature of the more practical four-door machine ...

BMW has just unveiled the first-ever M3 CS Touring. The high-perofrmance longroof can accelerate from zero to 62 mph in just ...