Hello dear friends! I'm new is220d owner and my car when I'm driving over 80 ml/h start shaking sometimes in 5 gear but mostly in 6 gear after 90 ml/h but not always! I have changed the tires , egr and I have made a hydrogen cleaner for carbon! The car driving perfectly except what I have told before! Anyone have any idea what can be? Is220d -2007 Thanks!