It may seem an unlikely vehicle to introduce what BMW touts as a “newly developed M Performance TwinPower Turbo inline 6 cylinder gasoline engine,” but the awkward-looking X4 receives a performance treatment from BMW’s M division for the Detroit auto show.
The X4 came out in 2014 as a more compact version of the X6, a coupe version of an SUV if you like, its tailgate taking on fastback style. The available engines were in line with that of its similar-sized cars, with turbocharged four and six cylinders.
The X4 M40i’s turbocharged 3-liter six-cylinder engine takes a step ahead of the turbocharged six in the X4 xDrive35i, increasing output from 302 to 355 horsepower, and creating 343 pound-feet of torque. Those numbers mean that the X4 M40i gets to 60 mph in just 4.7 seconds, very quick for this odd little beast.
BMW’s M division also took a crack at the fixed suspension, giving it and the electric power steering a sport tune. However, an adaptive suspension does not seem to be on the option list for the X4 M40i, which could greatly help its high-speed handling.
Its xDrive all-wheel-drive system, tuned for a rear-wheel bias, should make it more agile, and BMW fits it with staggered wheels, 19-inch Michelin Pilot Super Sport tires measuring 245 millimeters width in the front and 275 millimeters for the rears.
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Unlike some of its other M models, the steering wheel lacks an M button, which would let drivers instantly apply customized sport settings. This omission suggests that the X4 M40i isn’t as M as its performance-rated siblings, something you also might guess just by looking at its shape.
Source Article from http://www.cnet.com/roadshow/auto/2016-bmw-x4-m40i/#ftag=CADe9e329a