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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.

2014 BMW 4 Series convertible spotted

We've seen a few spy shot packages featuring the upcoming BMW 4 Series Convertible already, but never with the car quite so naked as in this latest batch. Nabbed just outside the BMW Nürburgring workshop in Germany, this Melbourne Red 4 Series also shows the M Sport package for the first time.
With all of the cladding removed, we can see that the convertible shares the 4 Series coupe's great-looking nose and front end, though the resolution of that folding hard top into the rear bodywork remains a bit harsh.
With the 4 Series coupe now completely official, we have a pretty good idea of what the powertrain lineup for the 'vert will be. We'll be pretty surprised if a 2.0-liter turbocharged four-cylinder and a 3.0-liter six-cylinder turbo aren't the go-to engines at launch. Production of the droptop is likely to begin at the end of the year, so start bugging your local BMW dealer.

The BMW 8 Series leads this month's list of discounts

Whether you prefer the sleek looks of a sport coupe, the wind-in-your-hair exhilaration of a convertible or the flexible practicality of a four-door sedan, BMW has an 8 Series to suit your fancy. And if you're in the market right now, you may find that your local BMW dealership is willing to take $18,124 off the sticker price. That figure comes courtesy of TrueCar, and it reflects the discount buyers are getting off the 8 Series' average $122,395 retail price. Most of the 8 Series models in American showrooms today are 2019 models, and that's the model year to which the discount above applies. This represents the largest discount on a new car in America this month, based on the dollar amount off the car's sticker price, and the third largest discount by percentage. And it means the average transaction price for a 2019 BMW 8 Series is hovering at $104,271. 2020 BMW 840i Gran Coupe View 38 Photos BMW offers two distinct versions of the 8 Series, the 335-horsepower 840i with rear- or all-wheel drive, and the 523-horsepower 850i, which comes standard with BMW's xDrive all-wheel-drive system. If you want to step even further up the performance ladder, there's the M8, but that 600-horsepower monster is getting a much smaller $6,150 discount. If you're not into BMWs, the 2019 Mercedes-AMG GT boasts the second largest monetary discount this month, with buyers averaging $16,713 off the Benz's $176,035 sticker price. Another Mercedes, the S-Class, is next with a $11,452 discount. After that comes a pair of Maserati sedans, the Quattroporte and Ghibli, each with discounts of around $11,000. Since the Ghibli's base price is so much lower than that of its larger sibling, that represents a much larger 13.5% cut from its average retail price of $81,384 for an out-the-door cost of $70,373. For a look at the best new car deals in America based on the percentage discount off their suggested asking prices, check out our monthly recap here. And when you're ready to buy, click here for the Autoblog Smart Buy program, which brings you a hassle-free buying experience with over 9,000 Certified Dealers nationwide. Related Video: