2013 BMW 6 Series Gran Coupe: Oops, is that an "M" badge?

Meet the BMW 6 Series Gran Coupe — the latest German sedan trying to con us into thinking that a slicked-back hairline can make it into a coupe. But, hey, at least BMW accidentally told us an "M" version is coming. UPDATE!

But what do you expect — you have to keep up with the Johanns, right? Sigh. So this new "coupe" with four doors gets an added four inches to the length and wheelbase of the real 6 Series coupe. Both of which, of course, are based on the supposedly larger 7 Series sedan.

But, hey, this isn't just a case of two big-boned cars, because despite the bone structure being somewhat similar, the 6 Sedan... err... sorry, we mean "Gran Coupe" is actually two inches shorter and four inches lower than the 7 Series.

On the exterior, it's getting a set of really angry yellow-lower-lidded eyes. Go ahead, stare at them — if you've got the balls.

2013 BMW 6 Series Gran Coupe: Oops, is that an "M" badge?

BMW's offering the Gran Coupe as three separate models with the TwinPower turbo 6-cylinder under the hood of the standard 640i Gran Coupe — good for 315 horsepower between 5,800-6,000 r.p.m. and 330 pound-feet of torque available between 1,300-4,500 r.p.m. BMW tells us that the 640i is capable of accelerating from zero to 60 in 5.4 seconds.

Next is up is the TwinPower turbo V8 in the 650i and all-wheel-drive 650i xDrive Gran Coupe, coming out shortly after the 640i. Compared to the current 6 Series coupe and convertible, BMW engineers have managed to pull an extra 45 horses and 30 lb-ft o' torque from the twin-turbocharged 4.4-liter V8.

2013 BMW 6 Series Gran Coupe: Oops, is that an "M" badge?

With 445 horsepower and 480 lb-ft, the 650i Gran Coupe will go from 0 to 60 in 4.6 seconds, versus 4.8 seconds for the coupe.

An 8-speed automatic is the only transmission choice for either engine — but hey, it's got wheel-mounted flappy-paddle shifters. So, you know — performance!

Speaking of performance — was there a mention of an M version of the sedan? Strangely, yes, there was — in the form of one photo which BMW looks to have accidentally forgotten to pull out of today's photo and info dump. But fear not, we've handily included it next to this paragraph.

2013 BMW 6 Series Gran Coupe: Oops, is that an "M" badge?

German precision? Not when it comes to their press site.

We're expecting the 6 Series Gran Coupe to get its official debut next March at the Geneva Motor Show.

UPDATE: As some commenters have pointed out, it's possible this is the door-sill from the M-Sport package. Still, probably only a question of "when" not "if."