Originally Posted by ALI

But again if you expect the E63 to burn the M5 and E55 , then i guess you wont be thrilled , but the E63 is an M5's nightmare to 100 mph , but from there on neither approaches the other , because the M5 picks up its revvs , and the E63 holds on to the same level of power by picking up on its revvs , the 4th gear reaches somewhat 7200 rpm ...