BMW M5 F10 (720HP) Decat Exhaust – Engine Start Up, Revs, Accelerations! Acceleration & Sound by turboandstance - January 7, 2021 During a private trackday organized by SuperCar Society, I have managed to film this beautiful BMW M5 F10 going flatout on the track. This M5 is tuned up to 720HP and producing a lovely exhaust sound. Watch and enjoy the video, leave a comment and share this one with your friends. Follow us also on Facebook, Pinterest or Instagram! Leave a comment