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Car Hacking 101: Here's what motorists should know [w/video]

Cars are nothing more than computers on wheels. As such, they're vulnerable to hackers. Most people who work within the auto industry have understood this for years, but for the broader American public not paying as close attention, three storylines emerged recently that underscored this new vehicular reality. First, German researchers found a flaw in BMWs remote-services system that allowed them to access the telematics units in vehicles. Then, a 60 Minutes report demonstrated that researchers could remotely infiltrate a Chevy Impala and override critical functions, like acceleration and braking. Finally, a US Senator released a critical report (see video above) that found almost all automakers are unprepared to handle real-time hacks of their vehicles. Those reports come on the heels of two previous instances in recent months when researchers demonstrated the capability to hack cars. All this news can be disconcerting. If you're late to the concept of car-hacking and wondering how this is possible, we've got you covered. Here's your quick primer on what you need to know. 1. How Did My Car Become A Computer? On the outside, cars haven't changed all that much over the past couple of decades years. On the inside, however, the amount of electronics and software has dramatically increased. Most new cars contain more than 50 microprocessors known as electronic control units. These ECUs control everything from airbag deployment and navigation systems to throttle control and braking, and they're usually connected to each other on an internal network called the CAN bus. 2. What Exactly Is Car Hacking? Depends who you ask. Automakers might consider anything that alters the car from its state of manufacture as a 'hack.' For example, if you're chipping the engine – re-calibrating those ECUs to increase your horsepower – some people might consider that a hack. But in the context of the recent news reports, security experts are focused on unwanted, unauthorized cyber intrusions into a vehicle. Once inside your car, prospective attacks could range from minor things like eavesdropping on conversations via an infotainment system and unlocking car doors to major concerns, like overriding driver inputs and controlling braking, steering and acceleration. 3. How Is This All Possible? Any part of the car that communicates with the outside world, either via a remote or direct connection, is a potential entry point for hackers.

BMW M4 Convertible spied with naked top and trunk

Our trusty spy photographers have been at it again, snagging these first images of the forthcoming BMW M4 Convertible without camouflage on its retractable roof and rear deck. You'll recall that this is not the first time we've seen the followup to the M3 Convertible, but that the last batch of images we had were encumbered by a lot more camouflage - this car is virtually naked by comparison.
Not surprisingly, the M4 looks to share its folding hardtop design with the standard 4 Series droptop, and it should operate in a similar manner as well. It's no surprise, but it looks like BMW is going to try and make the transition from M4 Coupe to M4 Convertible as effortless as previous efforts converting the M3 to an M3 Convertible. That should mean that below the beltline, this car is nearly identical to the coupe we saw in Detroit.
As for the camo'd features on these spy photos, the hood, front fascia, rear fascia, quarter panels, side sills and mirrors have all been shown on the M4 Coupe, and don't really bear mentioning. There's been no word of just where the M4 Convertible will make its debut, although considering the lack of disguise on this car, Geneva seems like a likely destination.

BMW's new strategy: Electric everything

Mercedes isn't the only car maker determined to beat Tesla before it gets huge. Sources speaking to German business daily Handelsblatt claim that BMW is in the midst of planning an executive shuffle that will also include a big shift in its electric vehicle strategy. While the company would still offer ground-up EV designs like the i3, the new strategy would greenlight electric versions of some of BMW's most important vehicles, including the 3-series sedan, X4 crossover, and iconic Mini. If the leak is accurate, management is likely to approve the change at the end of September. We've asked BMW for its take on the report, although it declined to comment to Handelsblatt. It wouldn't be shocking to see the Munich crew change tack, though. While Tesla has received hundreds of thousands of Model 3 pre-orders, i3 sales dropped in 2016 – the upscale (if oddly-shaped) EV just isn't as hot as it once was. If BMW electrifies some of its most popular cars, you wouldn't have to choose between a super-efficient, eco-friendly EV and the familiar designs of the brand's mainstream driving machines.The story originally appeared on Engadget, your guide to this connected life.Related Video: Featured Gallery Mini Vision Next 100 Concept View 38 Photos Green BMW MINI Electric Hybrid engadget