An updated version of the 4 Series Gran Coupe is due any day now according to Christopher Weil, BMW's design boss. Speaking to Australia's Go Auto, the exec revealed that the Gran Coupe will be unveiled "very soon."

Asked how the two-door version's muscular design would translate to the four-door version, Weil was excited about the GC.

"Of course the roofline is different but the car will be stunning," he said. "The four-door is also very muscular, very elegant so it will be - as you've seen already on concept cars which are kind of reflecting the looks of the 4 Series Gran Coupe - the same way as the coupe let's say."

The 4 Series' design has been controversial, though the Gran Coupe body style will change just about the only thing about the design that was widely liked. BMW's new massive grille aside, the two-door body style has been praised by many. But Weil seems to have a good idea of the differences between the cars.

"The two-door coupe is of course more pure and even more expressive, so it's not fitting to every life situation," said Weil. Those same attributes are what make the two-door's position in the range secure, he explained.

Another BMW exec, meanwhile, confirmed that the 4 Series will not go hybrid. Unlike the 330e, no hybrid version of the 4 Series is planned.