BMW 4 SERIES COUPE MODELS LIST (by VIN search).
* Note: the list may not be comprehensive or up-to-date and info has not been verified by BMW.
No 440i found and the 435i is listed with the N55 engine (not a successor engine as speculated, at least for now).
Production of the F32 4 Series coupe begins July 2013.
For M4 Coupe (F82) details see http://www.f30post.com/forums/showthread.php?t=798074
Starting numbers for VIN ranges:
BIMMERPOST coverage of the 4 Series @ http://www.bimmerpost.com/4-series/