BMW M4 F82 with Supersprint Valvetronic Exhaust LOUD Sound!

Here you see a BMW M4 F82 equipped with Supersprint valvetronic exhaust system starting up its TwinPower Turbo 3.0-liter inline-six engine, revving both valves closed and open and also some driving scenes.

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By | 2017-02-05T12:38:34+00:00 February 5th, 2017|Categories: BMW 4 Series, BMW M4|0 Comments

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