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BMW M4 Concept leaked ahead of Monterey debut

Last month, we heard that BMW might be bringing a concept previewing its next M4 sports coupe to this year's Monterey festivities. Well, thanks to the folks at USA Today, we have absolute confirmation of this by way of some leaked images. And goodness, she's certainly a looker.
While a few of us still find some of the 4 Series' design to be a bit awkward, it's hard to not immediately warm up to the aggressive bits of this hotter M4 concept. It certainly looks the business of a proper sports car, and a worthy successor to the M3 coupe. Of course, a lot of this will likely be toned down for the production version, which we'll likely be seeing at the 2014 Detroit Auto Show in January, along with its four-door M3 kin.
The official M4 Concept details will be revealed later tonight, but for now, have a look at a few shots of the golden show car in our gallery of leaked shots, above.

How to charge up your BMW i3 with a Honda

Behold a cheaper version of BMW's range extender for its i3 plug-in. And it's brought to you by ... Honda? Sort of, if you take the approach that Gadget Review took when it looked for an alternative to ponying up the $4,000 or so for the gas-powered i3 range extender that comes from the factory. What was procured was a Honda portable generator for Home Depot for the experiment, which involved gassing the generator up in a parking lot, plugging in the i3 and going out for a cup of coffee. The result was that, after about a half-hour of charging, the i3 picked up about four miles of driving range. Not exactly revolutionary but it least a bit instructive. And given that Honda generators start at about $800, the idea, while clunky, is potentially cash-saving. Gadget Review briefly took the experiment one-step further by trying to run the generator inside the back of the car and plugging in, complete with a rigged-up ventilation system, but the host thought better of it once he realized that there'd be suffocation involved. Why this was never tried on the Nissan Leaf, we'll never know. Check out Gadget Review's five-minute video below.

BMW ready to bring more i3, i8 plug-ins to US

BMW has found a receptive audience for its first batches of plug-in vehicles in the good 'ole USA. The German automaker, which started selling its first mass-produced i plug-ins in Europe late last year, will send a higher percentage of those vehicles to the US because of strong demand here, according to Automotive News, which talked with BMW executive Ian Robertson. And the Americans might cause Bimmer to speed up production, to boot. BMW makes the i3 electric vehicle and i8 plug-in hybrid in Germany, and has sold about 10,000 units of the former and 280 of the latter worldwide. Since August, BMW has been selling about 1,000 i3s a month in the US (it sold just 58 i8s in September). The bigger story, though, may be that Bimmer has sold out of its US allocation of i8s through the end of next year. Pretty heady stuff for a car that starts at around $137,000. Currently, BMW builds around 100 i-series vehicles a day in Germany, and may speed up production of the i8 for the aforementioned reason. As for the i3, which comes with an option of a gas-powered range extender, we'd reported earlier this year that the waitlist for that model had grown to about six months. Our i3 First Drive report is here if you'd like to know what all the fuss is about.