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BMW M4 sheds some camouflage for latest test run

Last time we saw the upcoming BMW M4 out testing, it was heavily clad with camouflage and decidedly homely looking (as most early development mules are). But in this latest set of photos, the M3 coupe successor has started to come into its own skin, and we're seeing a shape more closely akin to that of a rendering we brought you a few months back.
Unsurprisingly, the M4 coupe looks very similar to the 4 Series Concept that BMW debuted at the Detroit Auto Show earlier this year. And while non-M version of the 4er will likely look a bit more sedate, these spy shots clearly show an aggressive front fascia, large wheels and the usual quad-exhaust rounding out the rear end.
Naturally, the M3 sedan will launch before this M4 coupe (and convertible), and powertrain details are still unclear as of this writing. We understand that the current M3's naturally aspirated V8 will be axed in favor of some sort of turbocharged six-cylinder engine, and we've heard plenty of rumors as to what, exactly, it might be, but we have yet to hear any official confirmation.

BMW i8's three-cylinder sounds like it's shaping up quite nicely

We've run across some rather interesting news... or perhaps we should say interesting sounds. The folks from Bimmerpost have scrounged up a short video showing a preproduction BMW i8 running through a few gears in Sport mode at a quick pace, and if you were concerned that the somewhat eco-friendly nature of the upcoming German sports car would neuter its ability to stir the aural senses, fret not.
Judging by the lovely noise coming from the engine compartment of the i8 in the video, BMW's expertise in tuning high-strung, small-bore engines - remember, BMW Motorrad has quite the penchant for well-conceived motorcycle engines - has come through loud and clear. Now, it's worth mentioning that BMW's controversial Active Sound technology will be included with the i8, so the production car may not sound exactly like this version, which is running with the tech disabled. Owners won't have the ability to disable Active Sound on production i8s.
In related news, Bimmerpost reports that BMW will equip the i8 with an external Active Sound Design system to go along with its Pedestrian Protection System. That means those on the outside will likely hear piped engine recordings from the rear and a sort of "howl" from the front in order to warn pedestrians that the otherwise quiet (when running on electricity, that is) car is approaching. It will also feature technology that can stop the car before contacting a pedestrian.

Park your BMW with a wave, 3D instrument clusters, and more

Remote parking your car with a smartphone app is so 2015. In the future envisioned by BMW, you can park your car by giving it hand gestures. Meanwhile, the car will sync with your smart home and display traffic information on your hallway mirror. It's all part of a giant list of concepts and technologies BMW is bringing to the 2016 Consumer Electronics Show. Let's break down some of the big ideas BMW's bringing to this year's CES. Park By Waving Actually, you don't even need to wave to get this i3 Concept to start moving. From inside your house, simply picking up the key can signal your connected garage door to open and tell your car to pull out into the driveway. Out in the wider world this concept takes automated parking a step further than current in-car parking assistance systems. Once a spot is found, the driver gets out and waves at the car. The i3 then does all the movement on its own. What's the benefit of watching your car park instead of sitting inside while it parks itself? Not much, other that the ability to fit into narrow parking spaces. But I'm a sucker for automation like this, as long as it works better than those infernal foot-kick tailgate opening systems. The Bumper That Snitches For You If you have a car already covered in cameras, why not use them for more than parking? Bumper Detect is BMW's take on the valet-mode recording in the Chevrolet Corvette. But instead of filming any motion, BMW's system monitors the body and bumpers for any unexpected impacts and immediately captures the footage. An alert goes to the driver's smartphone via the BMW Connected App, with available live streaming images. Samsung Smart Things And The Smart Home The i3 on display at CES intergrates Samsung's Smart Things app into the iDrive controller. This allow you to use connected smart home features inside the car, like turning off lights or adjusting the thermostat. BMW's vision further into future integrates the car into the home even more with what the automaker calls Open Mobility Cloud. You can call it a personal assistant or an evil digital spy, depending on your perspective of this kind on technology. In any case, Open Mobility Cloud uses predictive algorithms to plan the day and give relevent information through BMW's smartphone app or – in a super futuristic way – a Mobility Mirror inside the house.