With M SUV's in the mix now and M badges being placed on just about everything it does not make sense any longer to not give the 7 the M treatment. What motor would this M7 get? Well, there are really two choices. An S63 twin turbo V8 shared with the M5 or a twin scroll twin turbo version of the N74 V12. The V8 would be lighter and more inline with what the character of an M should be as no production M vehicle (the McLaren F1 does not count in this respect) has ever had an M V12. The 850csi is the closest we ever got but the V12 may prove to be too nose heavy for an M.
As we stated in our previous report, an M7 makes far more sense than an M version of the X5 ever did and that vehicle exists. You have watered the M brand down this far BMW, might as well make something many people actually want to see and that competes with models from Audi and Mercedes that already exist.