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BMW offering glitch fix for i3 with range extender

The BMW i3 has received quite a bit of acclaim since its release, with the electric powertrain grabbing a spot on Ward's 10 Best Engines list and the high-tech machine earning the nod as 2015 Green Car of the Year. However, Consumer Reports uncovered a vexing problem with the range-extended version of the hatchback that has plagued it until a recent software update. While CR was driving the range-extended i3 last year, it discovered that when the internal combustion engine was running during low states of charge, hard acceleration could suddenly cut back with no warning to the driver. This was especially problematic when passing. BMW knew about the issue and promised a software update in the spring. That improvement is now available. BMW spokesperson David Buchko tells Autoblog that the software update adds a percent-of-charge indicator to all models of the i3 to let drivers know just how much juice is left. For the range-extended model, it also provides a warning of possible power reduction when the charge reaches two percent. According to Consumer Reports, the revision lets the car anticipate needing more reserve power based on the topography from the navigation system, as well. For any i3 drivers who want the upgrade, they need to visit a dealer for installation, according to Buchko, but it should be come at no cost to owners. Related Video:

BMW 5 Series future: 3-cyl engines and 600-hp M5

What if we told you the next BMW M5 would crest 600 horsepower? You probably wouldn't be too surprised, considering the steady increase in output that's accompanied each preceding generation. Now, what if we told you that the next BMW 5 Series would be available with a three-cylinder engine? Yeah, that'd be a surprise. But it may be a reality, according to a new report from Car. In its roundup of information on the next-gen BMW 5, code-named G30, the Brit mag predicts the new sedan will arrive in the summer of next year riding on an all-new platform that trims nearly 180 pounds of body fat through the use of high-strength steel, aluminum and carbon fiber. That platform, called the CLAR, which is short for Cluster Architecutre will give birth to not only a new 6 Series, but (for some reason) a 5 Series Gran Turismo and a Touring model, which won't likely be sold in the US. It will also underpin the 7 Series, eventually. Under hood, the lighter 5er will be paired with a new 1.5-liter, three-cylinder turbodiesel for the entry level 518d. This is the same three-pot oil-burner found in the 2 Series Active Tourer and Mini Cooper D. Of course, considering how little of BMW's actual engine range is sold in the US, we very much doubt the 518d will make it across the pond. More likely candidates for the US market include a range of a 2.0-liter, four-cylinders, such as the 272-horsepower 528i, and potentially a four-cylinder diesel. Naturally, there will be six-cylinder mills, found on the 530i, 530d, 540i and M550d. At the very top of the range, of course, will be a 600-hp M5. There will even be a range of hybrids and plug-in hybrids that are sure to further annihilate the formerly logical BMW nomenclature. Car expects the new 5er to arrive next summer, which we'd wager would lead to a debut at either the 2016 Geneva Motor Show or perhaps next year's Auto China, in Beijing. Featured Gallery BMW 5 Series Next Generation Spy Shots News Source: CarImage Credit: CarPix Rumormill BMW Diesel Vehicles Hybrid Luxury Sedan

2013 Dinan S3 BMW 550i

Steve Dinan has been enhancing BMW models since 1979. But don't throw his company into the ring with the dozen or so other tuners who tweak, tinker and piggyback upgrades on the famed German marque. Dinan is a tuner, but it's also an engineering firm that writes its own software, builds its own parts and then backs everything it does with a factory-grade warranty. That sort of fastidiousness comes at a price, but most of its customers - including the powerhouse of BMW Motorsport - rely on Dinan to help them come out on top.
In stock form, BMW's 550i is a formidable four-door with a twin-turbocharged 4.4-liter V8 rated at 400 horsepower and 450 pound-feet of torque. While those figures allow it to run with quick company (0-60 in 5.0 seconds, according to the automaker), Dinan puts the sedan's kettle on full boil with its S3 package. Starting with the engine, the performance engineering firm bolts on larger turbochargers, air-to-water intercoolers, a trick strut tower brace cold air intake, a quad-pipe free flow exhaust and its own engine management software. Pump in some premium fuel, and the result is 542 horsepower and 587 pound-feet of torque. Power is sent through the stock eight-speed automatic to a limited slip rear differential (Dinan will upgrade xDrive all-wheel drive models, too).
The Dinan S3 also features and extensive suspension upgrade that includes new front camber arms and low compliance rear control arms (engineered to reduce understeer and improve turn-in). The stock dampers are retained, but new bump stops are installed along with new springs. Overall, the car rides about a half-inch lower than stock to improve roll rate. To reduce unsprung weight, forged 20-inch HRE Performance wheels are fitted at all four corners (wearing Michelin Pilot Super Sport tires - 275/35ZR20 up front and 295/35ZR20 in the rear). Lastly, the company remaps the factory Electronic Damper Control (EDC) software with its own Dinan Shockware to work in conjunction with the new enhancements.