//M Models //M4 F13 6 Series Coupe F15 X5 F26 X4 F36 Four Series Gran Coupe Official News The M4 Convertible and What Else to Expect at the NYC Autoshow Next Week The all-new BMW X4 Sports Activity Coupe as well as the BMW M4 Convertible make their world debuts at the 2014 New York International... by Gabriel Bridger April 8, 2014