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BMW already considering four cylinders for next M3

The cylinder count in BMW's M3 has fluctuated over the years. The original M3 debuted in 1985 packing a 2.3-liter inline-four, but subsequent models went with sixes until the outgoing generation upped the cylinder count to eight. With its latest model, BMW has dropped back to six cylinders with a pair of turbos taking the place of the extra pistons. But the next M3 sedan and M4 coupe could go back to the model line's roots with a four-cylinder engine.
Speaking with BMW M product manager Carsten Pries at the launch of the latest M3 and M4 in Portugal, our Aussie compatriots at Motoring.com.au report that "you could see a future [M3] powered by a four-cylinder engine." Offsetting the reduction in cylinders, the lighter engine would benefit the vehicle's weight and balance, thus enhancing performance.
We wouldn't expect the next M3 and M4 to lose any power in the process, though: Output in the M3 has only risen over the generations, from 192 horsepower in the four-pot original to 282 hp in the six-cylinder E36, 338 hp in the six-cylinder E46, 414 hp in the V8 E90 and 425 ponies in the new turbocharged six-cylinder F80 model. With that latter model having just debuted, it'll likely be a good six or seven years before the next version comes along, giving BMW plenty of time to settle on an engine - however many cylinders and turbochargers it has. In the meantime, you'll have to forgive us for taking a romp down M3 memory lane in the fresh gallery of images above.

All 25 James Bond movies ranked only by their cars

There is no shortage of lists ranking the best James Bond movies. Ditto lists about the best or worst James Bond cars. I know, I've written some of them. As such, why not combine the two ideas into one new list that ranks all 25 official James Bond movies based exclusively on their cars, or more accurately their car content. I would then pull from my 25 years of James Bond nerddom plus the excellent "Bond Cars: The Definitive History" and our interview with long-time Bond special effects supervisor Chris Corbould to provide tidbits and factoids about the cars and their roles in the movies. And yes(!), this list now includes "No Time to Die," which impresses by adding plenty of car content to the series. It's now available on Blu-ray and download. To determine the list, I considered the inherent coolness of the cars as well as their importance to Bond, film and car history. I considered their importance to the story as well as the quality/excitement of the chases and scenes they participated in. Finally, I tried my best to divorce the car content from my opinions about the movies in general. That my personal list of best James movies looks nothing like this shows I was at least partially successful.     25. 'Moonraker' There are virtually no cars in "Moonraker." None. Oh, there's a gondola on wheels that makes a pigeon do a double-take, but that's not the same thing as a car. Neither is a golf cart. Or an ambulance. Or a space shuttle.   24. 'From Russia With Love' The literary James Bond mostly drove an ancient Bentley, and "From Russia with Love" is the only film in which it appears. It stays parked and the coolest thing that happens (by 1962 standards) is 007 answers its car phone. Thereafter, we get some old cars (even by 1962 standards) driving around Istanbul and a yellow truck. So yeah. Classic Bond film, a must-watch, just not for its car content.   23. 'Dr. No' History records that the first "Bond car" is the Sunbeam Alpine in "Dr. No." The car itself was literally borrowed from a Miss Jennifer Jackson of 53 Lady Musgrave Road in Jamaica for 10 pounds per day for two days during filming. Also, the stunt where it drove under an excavator blocking the road was entirely conceived because the filmmakers showed up to the road they intended to film on and discovered an excavator blocking the thing. Sadly, those are really the only two things interesting about the Alpine, which is a pretty small and dainty thing by Bond car standards.

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.