Originally Posted by JoeyBananaz18
this is correct. before the e90 was produced (or while they developing the E92/93), the coupe was to be dubbed the 4-series. the idea was that sedans were to be odd numbers and coupes were to be even. and it would have worked too. 3,5,7 sedans. and at the time the 6 was the only coupe. but as an E92 owner, im glad they kept it the way it is.
I remember the idea a few years back was that they didn't go with the E92/E93 being 4-Series because of the naming of the M3. The M4 branding wouldn't carry the legacy of the M3 from a marketing perspective.