From here on out, anything with two doors in the BMW lineup will have an even-numbered designation, meaning that the 3 Series Coupe will now become the 4 Series. The big exception to this rule, of course, is BMW's new-found passion for the four-door coupe. The 6 Series Gran Coupe made its debut this year, but next year a smaller version of this design is on its way to the U.S. courtesy of the all-new 4 Series Gran Coupe.
2014 BMW 4 Series Gran Coupe spy shots
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