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2016 BMW X4 M40i Quick Spin

There's only so much you can do to disguise the SUV-ness of a crossover. The physics are simply against it. Essentially a jacked-up wagon, the X4 is heavier and has a higher center of gravity than a 3 Series longroof. No matter how many badges or what sort of fancy suspension you throw at it, you can't defy the essential laws that govern the mechanics of the universe. This isn't to say that BMW is standing in the surf, ordering the waves to roll backward. The X4 is a valiant, if misguided effort, in injecting some sportiness into a very niche vehicle. The X6 M, a "full" M Division offering, does a decent job at this: it's quick like a rocket-assisted hippopotamus, and uses some black magic to stay planted. The X4 M40i, a less-full-blown M Performance model, is less dramatic, and less compelling. Here's the operating theory: this crossover won't sell on its dynamic charms, however superior to its X4 xDrive28i and xDrive35i siblings. It'll sell because it's the top of the X4 heap, the most expensive of the three ($58,795!), and with the most "M" badges. Anyone looking for utility and strong handling dynamics should examine a 3 Series xDrive Sports Wagon with the M Sport Package and the $700 Adaptive M Suspension, pocket the $10k, and marvel at the size and shape of the cargo area. Driving Notes: This is the same engine as seen in the brand new M2, making 355 horsepower and 343 pound-feet of torque in this application. That's 10 hp down from the M2. There's lots of torque, and with an intentional stab of the go-pedal, this X4 will scoot. The eight-speed auto is great heading through the ratio range – its shifts are swift and sharp. The paddles will hold gears to redline in manual mode, but would you really want to? We ignored them. The adaptive dampers have their work cut out for them. This is a 4,235-pound vehicle – a full 340 pounds heavier than a diesel, all-wheel-drive, 3 Series Sports Wagon, and 7.6 inches taller – and this is where physics comes into play. Slalom-like quick corners produce an uncomfortable jacking effect as the outer wheels unload and transfer weight to the other side. It handles well, for a hippo. Since hustling the X4 M40i is possible but not all that rewarding, know that it's very pleasant in Comfort mode. The extra oomph is realized as a thick, broad, rich torque band, and that's never a bad thing around town. It's nicely dampened in Comfort, without much wallow.

BMW to offer carbon fiber wheels in a year or two

The Citroën SM sat on the first set of production glass fiber and resin wheels in 1972 when parent company Michelin developed the exotic hoops in order to take the SM rallying. It wasn't until 2008 that we got the first all-carbon-fiber wheel for passenger cars in the form of a prototype model from Weds Sports in Japan that remained a prototype. Australian company Carbon Revolution followed that a year later with its CR-9 all-CF wheel, first introduced on the Shelby Ultimate Aero and now available for independent purchase for about $15,000 per set. BMW could be the first OEM to offer entire wheels in carbon fiber reinforced plastic in two years.
The wheels - either all-CFRP or using a CFRP rim and alloy spokes - were shown off during BMW's Innovation Days in Munich and are products of the development work done on its i-branded cars. The full-CFRP wheel is 35-percent lighter than a forged alloy wheel, the hybrid alloy and CFRP wheel is 25-percent lighter, making for a decent drop in unsprung rotating weight. As demonstrators during a tech day the wheels aren't yet in the pipeline for production and EU approval, but an article in Auto Express claims that they could be on the market as soon as two years from now.
Other possible parts include a full carbon fiber steering wheel and propeller shaft, the latter of which is coming as a single-piece component on the new M3 and M4. BMW is also talking up its use of secondary carbon fiber - waste material from i3 and i8 production - that can be used for items like IP support structures, seat frames and spare wheels in place of traditional metals like aluminum and magnesium. There's an excerpt of the Innovation Day press release below with more details.

BMW i8 fully revealed ahead of Frankfurt debut

It may be early in the morning here in the US, but in Germany, the first day of the 2013 Frankfurt Motor Show is in full swing. BMW took advantage of the early start and showed off its long-awaited i8 plug-in hybrid sportscar, a two-plus-two, swan-wing-doored coupe, to the Frankfurt crowd.
We drove a BMW i8 prototype back in August, so many of the things we're reading today are clarifications on our initial suspicions or speculations. Underhood sits a 1.5-liter, turbocharged, three-cylinder engine. On its own, it churns out a respectable 231 horsepower and 236 pound-feet of torque, which is then channeled to the rear wheels by way of a six-speed automatic transmission. An electric motor, meanwhile, sends 131 hp and 184 lb-ft of torque through a two-speed automatic to the front wheels.
With all-wheel drive at its disposal, the total system power sits at 362 hp and 320 lb-ft of torque, and allows the i8 to scamper to 62 miles per hour in just 4.4 seconds. That excellent performance is offset by an estimated fuel economy figure of 94 miles per gallon, though, making this a fast and efficient vehicle. Charging is impressively fast on the i8, with a full charge coming from a 110-volt outlet in under four hours. A BMW Charging Station will trim the charge time down to 1.5 hours.