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BMW i3s traction control tech going in all BMW, Mini cars

The BMW i3s is essentially a warmed-up version of the i3 electric car we all know and love. The performance boost isn't huge — just 14 horsepower and 15 pound-feet of torque — but it also gets a new suspension, wheels and tires as well as an improved traction control system. We found the car to benefit from all the updates when we drove it for our First Drive Review, but now BMW has offered up more details on just how the traction control system of the i3s helps make it better to drive. The company says it'll expand the technology to all future BMW and Mini models as well. The i3s's system is calibrated to help it to pull away quickly from a stop, making full use of the instantaneous torque offered by the electric motor. It also improves stability when accelerating out of corners, when using regenerative braking and, of course, when the road conditions are less than ideal. The results are palpable, and with the other improvements the i3s definitely feels stronger off the line, as we found on our drive. It's also about a half-second quicker to 60 miles per hour, at 6.8 seconds. The secret is in the response time of the stability control, which BMW claims is 50 times faster than the conventional system. This is made possible by moving the control process into the powertrain itself, rather than a remote unit. This reduces the signal path and, thus, the response time of the traction control system. BMW's Head of Chassis Development, Peter Langen, said of it, "With their high levels of torque and instantaneous responses to every movement of the accelerator, electric motors already make significantly higher demands on driving stability systems than conventional power units." While engineered to make the most of the electric motor, BMW says the shorter cycles of this traction control system show promise for internal combustion vehicles as well. As such, we'll begin to see the improved technology applied across the BMW and Mini lineups going forward. Related Video:

BMW Z5 roadster gets frosty in winter testing

The successor to the BMW Z4 (remember that thing?) is currently undergoing testing in what may be the least hospitable place for a two-seat roadster – northern Sweden. Yep, even sunshine-loving convertibles need to undergo winter testing. We still aren't 100-percent certain of the name, but rumors are pointing to BMW ditching the Z4 nomenclature in favor of Z5. As we've reported before, it's very likely that this car is being developed with help from Toyota. The platform underpinning the car shown here could become the long-awaited new Supra (albeit in hardtop-only form). We'd love to tell you about the look of this new car, but between the camouflage and the caked-on snow, it's hard to draw a bead. We can clearly see the headlights are inspired by newer BMWs like the 7 Series and 2 Series, but other details are harder to discern. The right elements are here, though. The prototype has a long hood and short rear deck. It's also worth pointing out that the car shown here marks a return to a canvas convertible roof. Aside from being less complex, our spies report that the soft top is being used to lower weight and provide sharper handling. While our report on the Z4's successor from March 2015 pointed to a 2020 launch date for the new roadster, our spies say the German part of this BMW/Toyota partnership could launch in late 2017 or early 2018 with four- and six-cylinder engine options. Related Video: Featured Gallery BMW Z5: Spy Shots Image Credit: CarPix Spy Photos BMW Toyota Convertible Performance bmw z5

BMW wheels out single-cylinder G 310 R motorcycle

BMW makes a lot of motorcycles, including cruisers, enduros, off-roaders, sport bikes, and scooters. The one thing it hasn't done is a single-cylinder motorcycle with less than half a liter of displacement. But that all changes with the arrival of the G 310 R. Previewed by the Concept Stunt G 310 revealed last month in Brazil, the new G 310 R is BMW Motorrad's first sport bike with an engine smaller than 500cc. Though developed in Germany, the G 310 R is built in India around a new liquid-cooled single-cylinder engine displacing just 313 cc. That tiny cylinder does boast four valves, along with dual overhead camshafts and electronic fuel injection. It makes 34 horsepower and 21 pound-feet of torque. The engine is nestled into a compact tubular steel frame. It features a single headlamp up front, a molded fuel tank, 17-inch wheels, disc brakes with ABS, and aggressive styling. It all weighs just 350 pounds, with a seat that's less than 31 inches off the ground. Along with the G 310 R, BMW also revealed an electric motorcycle concept based on the S 1000 RR. That one you can check out on Autoblog Green. For a closer look at the G 310 R, you'll want to peruse the extensive image gallery above, and for further details, the press release below. BMW Motorrad G 310 R The new BMW G 310 R – the first BMW roadster under 500 cc. One cylinder, low weight, powerful dynamic performance – the BMW G 310 R embodies the pure essence of a BMW roadster: it has neither too little nor too much of anything. Pragmatic in the best sense of the word, it offers precisely what is needed – for dynamic performance and comfort, both in town and out in the country. The BMW G 310 R takes these essential qualities into a capacity segment that is new to BMW Motorrad. As a genuine BMW roadster it masters a range of disciplines: it is just as happy winding its way nimbly and flexibly through the narrow streets of a city as it is travelling supremely and powerfully along country roads. And thanks to its exceptionally low level of fuel consumption and a relaxed, comfortable seating position, it offers the welcome capability of being able to cover a long distance at a time. At home on the roads of the world. Newly conceived from scratch, the G 310 R represents everything BMW Motorrad stands for: innovation, quality and of course many years of carefree partnership with its owner.