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As BMW i3 US launch nears, more details discovered

Think of the BMW i3's gas-powered range-extender as akin to driving around with a middle linebacker in the back seat. Except that football player will have a hard time pushing the car 60 miles or so once the battery runs out. Thankfully, he won't prevent you from getting a nifty tax credit either, according to BMWBlog, which isn't affiliated with the company. The i3's front storage compartment is not watertight. Here in the US, where the i3 will be available in short order, BMW will offer an optional i3 plug-in vehicle with a range extender that will have a 1.9-gallon capacity gas tank. That sounds a good deal smaller than the 2.4-gallon tank used in Europe, but the two are actually the same, the US tank is simply limited to the smaller size, Dave Buchko, from BMW's product and technology communications department, told AutoblogGreen. The complete range extender system – including the tank, the engine, and all related hardware – adds about 265 pounds to the 2,634-pound curb weight of the i3 EV and the extra weight in turn adds about a second to the EV's 0-to-60 time of seven seconds flat. Adding the range-extender won't make the US government take any longer to dole out a $7,500 tax credit for the i3, though. We also learned that the i3's front storage compartment is not watertight since it is only meant to hold the mobility kit and the 110-volt charging cord. BMW recently increased its production of the i3 at its German factory from around 70 units a day to about 100 due to better-than-expected demand. Check out our First Drive impressions of the model here.

BMW previews new M6 GT3 racing prototype [UPDATE]

UPDATE: A previous version of this post specified the incorrect weight target for the M6 GT3. The text below has been updated with the correct information. BMW may not compete at the top level at Le Mans or in the World Rally Championship, it may have withdrawn from Formula One and shuttered the Formula BMW series, but it's not without its racing programs. Aside from the Minis that dominate the Dakar Rally, BMW fields the M4 in DTM, the M235i Racing in the BMW Sports Trophy and the Z4 in GT3 competitions around the world. But now it's preparing to launch a new GT3 racer based on the M6. Currently undergoing development, BMW has presented its new M6 GT3 prototype at its factory in Dingolfing, Germany. Based on the road-going M6 coupe, the GT3 retains its 4.4-liter twin-turbo V8 engine with dry-sump lubrication, producing over 500 horsepower – which is actually less than the road-going model you can buy, but has to be restricted to meet FIA certification. At less than 3,000 pounds, it is a fair bit lighter than the production version, and promises to deliver blistering performance figures to whichever privateer teams buy one to enter in racing series around the world. The M6 GT3 is slated to hit the circuits next year, when it will join the lineup alongside the M6 coupe, M6 convertible and M6 Gran Coupe, to say nothing of the M6 safety car used in MotoGP. In a related development, BMW Blog reports that the Bavarian automaker is probing potential interest in bringing the M235i Racing to North America. The entry-level model in the BMW Motorsports range, the M235i Racing sells in Europe for the equivalent of $68,000. The next milestone: the BMW M6 GT3 is rolled out at the BMW premises in Dingolfing. 05.02.2015 Munich (DE), 5th February 2015. BMW's new figurehead for the GT racing scene has been given its first run: last Saturday, the test track on the premises of the BMW factory in Dingolfing (DE) provided the stage for the roll-out of the BMW M6 GT3, with which BMW teams will compete in national and international series, as well as at iconic endurance races, from 2016 onwards. The car left the garage for the first time at precisely 14:00 with Jorg Muller (DE) at the wheel. This gave the BMW works driver the honour of creating the next milestone in the development of the BMW M6 GT3. "This is a big moment for everyone who has worked so intensely and passionately on the development of the BMW M6 GT3 in recent months," said BMW Motorsport Director Jens Marquardt.

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.