With a wider rear track...

With a wider rear track, stiffer suspension and bigger brakes, the M Roadster will be a real enthusiast"s car when it goes on sale in two years" time. It"s set to be joined by a hard-top version, which will share the same engine and be targeted at Porsche"s recently revealed Cayman. But before then, a facelifted Z4 range will appear, featuring new front and rear bumpers, revamped light clusters and an iDrive-style cabin control system. The wraps are expected to come off the revised car at the Frankfurt Motor Show next month.