M. The most powerful letter in the world. The barely street-legal M vehicles are filled with a power usually reserved for the track. And with well-sculpted exteriors, and technologically-equipped interiors, they are as incredible to behold as they are to drive. Choose between the M3 Coupe, Sedan or Convertible, M5 or M6 Coupe or Convertible. Contact a BMW Internet Sales Consultant today for a test drive!