The 2017 BMW 5-Series has been spied undergoing testing on the Nürburgring.

The 2017 BMW 5-Series has been spied undergoing testing on the Nürburgring.

Dressed in swirly camouflage, the sedan has an evolutionary design with a familiar front fascia that features a larger twin kidney grille.  Additional details are hard to make out but we can see new mirrors, a dual exhaust system and what appears to be more rounded body work.

BMW has been tight-lipped about specifications but the model will be heavily influenced by the 2016 7-Series which was previewed earlier this month.  As a result, the 5-Series will ride on the new 35up platform and feature an assortment of carbon fiber reinforced plastic components.  This enables the 7-Series to weigh up to 130 kg (286 lbs) less than its predecessor, so expect similar weight reduces on the 5-Series as well.

Power will be provided by an assortment of engines which will reportedly include everything from an entry-level 1.5-liter three-cylinder diesel to an upgraded twin-turbo 4.4-liter V8 that develops approximately 600 PS (441 kW).

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