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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.

Next-gen BMW M5 spied on Munich roads

BMW is still hard at work developing the next-gen M5 around the company's home base in Munich. Unfortunately, the Bavarians are keeping the super sedan plastered with camouflage, which makes picking out the details rather difficult. There are some tiny tweaks from the previous spy shots, though. Obviously, these are still early development vehicles, so it's hard to know whether these changes are in any way meaningful. Up front, this M5 still has an air intake stretching all the way across the lower portion of the bumper. The earlier shots showed this piece with a uniform width, but the designers added a little flair this time by lifting the center portion slightly for a more attractive look. Comparing the two examples in profile, the suspension has seemingly been lowered on the latest one to tuck the tires closer to the fender lips. Most parts have carried over, though, including the massive, cross-drilled brake rotors and quad exhaust tips poking out from the rear. The next M5 should have no problem backing up its mean looks, though. All indications, including earlier spy shots, suggest that the high-performance sedan will gain all-wheel drive, at least as an option, and power will be around 600 horsepower. While about the same as the current 30th anniversary edition, the future 5 Series will reportedly follow the lead of the latest 7 Series by going on a big diet thanks in part from a new, lighter platform.

What happens when you take an engineer sliding in a BMW i8

The BMW i8 is a pretty impressive car, and a highly visible one at that. It's a great brand ambassador, but not just for BMW. It's really no surprise that Formula E chose it as the safety car from the electric racing series. And, for its duties at tracks around the word, the i8 safety car got some slick upgrades, including wireless charging capabilities courtesy of Qualcomm. It's not your regular, cut-and-dry technology presentation. In the video below, Qualcomm engineers explain a little bit about what they do to enhance electric vehicles. But it's not your regular, cut-and-dry technology presentation. The engineers are forced to answer questions about Qualcomm's technology while riding along in the BMW i8 Qualcomm Safety Car driven by none other than Formula E driver Nelson Piquet, Jr. Sure, riding shotgun for hot laps at Donnington Park in an i8 sounds like a lot of fun, but these guys have a job to do, and Mr. Piquet isn't making it easy for them. The Qualcomm guys talk about taking technology and beefing it up for automotive use, explain the benefits of wireless charging and discuss some other stuff that's hard to pay attention to while watching the i8 get totally sideways in a smoky powerslide. See for yourself in the video below. If you miss something, don't worry; Qualcomm provides more explanation about its automotive technologies at its website, including safety, communication and, of course, inductive charging.