My E55 is a high horsepower, rear-drive sedan and it is mandatory to use snow tires to drive in winter conditions. I chose the Dunlop Winter Sport 3D due to its unique tread design, and I have not been disappointed.
These Dunlop tires do what is expected/required of them, and provide safety and confidence when driving in wintery conditions such as we have in the chicago area, where I live. I highly recommend them for use on a high horsepower car such as the the E55.
(I have Blizzaks and Michelin snows on my other cars)