The 2017 / 2018 BMW M5 has been spied undergoing cold weather testing in Scandinavia. Dressed in swirly camouflage, the high-performance sedan has a fairly restrained appearance but features a prominent twin kidney grille and lightweight alloy wheels that are backed up by a high-performance braking system. The model also features a four-tailpipe sports exhaust system and a badge that signifies the car is doing a "Government approved high speed safety test."

The 2017 / 2018 BMW M5 has been spied undergoing cold weather testing in Scandinavia.

Dressed in swirly camouflage, the high-performance sedan has a fairly restrained appearance but features a prominent twin kidney grille and lightweight alloy wheels that are backed up by a high-performance braking system.  The model also features a four-tailpipe sports exhaust system and a badge that signifies the car is doing a "Government approved high speed safety test."

Speaking of speed, power will be provided by an upgraded version of the company's 4.4-liter M TwinPower Turbo V8 engine.  It currently produces 560 horsepower but previous reports have suggested the new engine could develop up to 626 hp.  Rear-wheel drive will be standard but all-wheel drive is expected to be offered as an option for the first time.

Besides being significantly more powerful than its predecessor, the next-generation M5 will be lighter as it will ride on a shortened version 7 Series' platform.  This could enable the model to weigh as much as 220 pounds less than the outgoing M5.

Given the weight loss and extra power, the new model will easily outgun its predecessor which runs from 0-60 miles per hour in as little as 4.2 seconds before hitting a limited top speed of 155 mph.

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