The BMW M Competition recipe is now fairly well refined. Simply take an existing M-car, add a touch more power and treat the suspension to a few well-chosen tweaks aimed at sharpening the driving ...

BMW made a bold but necessary move last year ... In the first couple of races, the old F90 M5 had a piggyback ECU tune that helped it go quicker, crossing the 1/4-mile line in just 10.8 seconds.