During SCC500 Rolling50 1000 at airport Zweibr?cken I have filmed this BMW M6 which has been tuned by HCP (HC Performance) and now makes 720hp! Top speed during the event was 268.75 km/h. 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