Discover 10 key facts to consider before purchasing the unique V10-powered BMW E60 M5, from high-tech features to maintenance costs and performance.

Even in today's performance sedan market, the '04 BMW M5 E60 can comfortably compete with the very best in its class. Here are 10 things that everyone should know about the groundbreaking fourth ...

The E60 5 Series was available with a range of gasoline and diesel engines, mostly inline-four and inline-six units. But BMW also offered a 4.4-liter V-8 in the 540i and 550i models.