4 Series
The 4 series BMW was introduced in 2013. it is based upon the F30 3 series but since then the 2 door coupe (code name F32), convertible (code name F33) and in 2014 the 4 door grand coupe (code name F36) were upgraded and became 4 series for the first time.
Of the 4 series also a M model has been developed. The M4 2 door coupe is the F82 and the M4 convertible the F83,