2014 BMW M3 and M4 engine specifications reveals

Member of F30POST has discovered VIN of M3 and M4.

VIN contains the engine details and it will be S55 3.0-liter inline-six engine with 415HP, and 535Nm.

Next M3 will launch late this year or early 2014, before going on sale in June 2014.

M4 coupe won't be out until late 2014.