BMW M4 Hamann vs BMW M4 Hamann Rev Battle! Hamann vs Akrapovic!

BMW M4 Hamann vs BMW M4 Hamann Rev Battle in one of the tunnels of Monaco! The grey BMW M4 Hamann is modified with the Akrapovic exhaust system .\r
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This video features two BMW M4 F82 Coupe, both tuned by Hamann Motorsport. The grey one is equipped with an Akrapovic exhaust system (612HP) and BMW .\r
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BMW M4s with three different exhaust systems make a little noise! Starting off with our stock Austin Yellow M4 from BMW UK, followed by the grey car with .\r
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This video features two BMW M4 F82 Coupe, both tuned by Hamann Motorsport. The grey one is equipped with an Akrapovic exhaust system (612HP) and BMW .