800HP BMW M5 HPT vs Hamann 620HP BMW M4

During SCC500 rolling50 at the Lausitzring I have filmed this BMW M5 that has been tuned by HPT (Horse Power Technics) to 800hp. You can see it doing several drag races and hear some revs. Join my Notification Squad: click the Bell ? Make sure you like and comment the video, but also subscribe to the channel! *Michael - Automotive Mike* Socials: ?? https://www.facebook.com/AutomotiveMike ?? https://www.instagram.com/automotive_mike