Straight from CAR magizine, Headline says "Hottest M5 will pack 550 hp punch" " The F1 inspired V10 is known to displace 5.5 liters and 500 hp, but insiders claim this could easily jump to 5.8 liters and 550 hp at a wild 9000 rpm- enough for sub 4.5 sec spint to 60 ans easy to the limited 155 mph top speed. This will make the E60 M5 the quickest motorsport car yet""Power will be sent to the rear tires via a 3rd gereration seven speed SMG transmission, complete with a oil cooler for the rear differental." The artical also states that a M5 touring will be offered to up aggainst the RS6 Avant. But it is still a while off, see it at the beggining of 2005. All I can say is "WOW!"