BMW m5 F10 shoots flames you've never seen before

This BMW M5 F10 is a very special car. You may ask what makes it special ? Well the thumbnail above is enough to answer your question.

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This insane 785HP & 737Nm BMW M5 F10 equipped with Akrapovic exhaust on the dyno! It is modified by PP Performance, with new ECU, downpipes, MSR intakes and Methanol Injection. I have never seen such a huge flames coming out of a BMW M5 F10! This car is AMAZING!