E60 M5 and E61 M5 Touring Discussion
First of all, I want to thank Eloy for taking care of me today on short notice... oh, and testing my car as well. :grinyes:
How the 422 whp is derived, I will build up to it. A little background. I am as much a skeptic as anyone... almost to the point of being cynical. I am sure Eloy will back...