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BMW X4 M40i spotted testing in Germany

The stream of segment-busting BMW variants is showing no signs of letting up, and with the latest addition now upon us, questions have been circulating as to whether the Bavarian automaker would do an M version of the new X4 crossover. The jury may still be out on that proposition, but the latest intel suggests that, while a full-on X4 M may not be in the cards, a next-best-thing X4 M40i is in the works. And that appears to be what we're looking at in this fresh batch of spy shots.
Spotted for the first time undergoing testing in Germany, this X4 is tipped to be the next addition to the M Performance line that's already given us near-boiling models like the M135i and M235i on the one hand and the diesel-powered M550d, X5 M50d and X6 M50d on the other. Power in this case is tipped to come from the same 3.0-liter turbo six as the upcoming M2, producing between 360 and 380 horsepower.
Unlike the current top-of-that-specific-line X4 35i, which has two tailpipes on one side, this partially-camouflaged prototype has one pipe protruding from each corner of the rear bumper, but looks like it could easily accommodate twin pipes on both sides. Expect commensurate suspension, brake, rolling stock, aero and trim upgrades to come as part of the package, though they likely won't be quite as substantial as those applied to the X5 M and X6 M.

Totally uncovered BMW M3 caught by helmet cam

Sure, we've seen - and even ridden in - the 2015 BMW M3 before, but always under the cover of camouflage. Proving that it's always nice to be in the right place at the right time, a motorcyclist managed to capture a completely undisguised 2015 M3 (codenamed F80) on video during a closed-road photo shoot.
Road & Track has the helmet cam video, which shows the bright blue M3 doing a three-point turn as it follows a camera car possibly for an upcoming commercial or launch video. While the images are grainy, we do get to see some of the styling details for the next-gen M3. Aside from the extra set of doors, this M3 looks a lot like the Concept M4 Coupe we met a few months ago, including the bulging hood, oddly shaped door mirrors and the wide, vented front fenders. The aggressive fascia, big wheels/low-profile tires and quad exhaust outlets all but confirm this is the production M3 we'll be seeing at the Detroit Auto Show in a couple of months.
We've put together a gallery using screen shots from the video, but check out the video posted below to see the new M3 in motion.

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.