Listening to the video you will see that this is not your average 5 Series. There is for sure something of M nature luring underneath the hood of this prototype BMW 5 Series. Boy does it sound nice too. The engine is rumored to put out an astonishing 540 bhp to the rear wheels according to the gents at Carmagazine. We hope you noticed the bigger wheels , brakes, and signature quad tip exhaust which also help to point out the identity of this car.
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