This video features a BMW M4 F82 with Competition Package tuned by Mosselman Turbo Systems and full Akrapovic Valvetronic Exhaust System producing an incredible sound! They changed the turbo systems (stock 450HP) producing now 547HP and 727Nm of torque! Liked the video? Click the 'like' button, comment, and subscribe! Follow me: Subscribe: http://www.YouTube.com/GUMBAL FACEBOOK: http://www.fb.com/GUMBALTV INSTAGRAM: http://www.instagram.com/GUMBALTV TWITTER: http://Twitter.com/GUMBALTV http://www.gumbal.tv