BMW M5
 

http://images.thecarconnection.com/t...00427878_t.gif Sports sedan history was redefined when the BMW M5 first came onto the scene in 1985, but the story actually began in 1980 with the M535i. As the official motorsport version of the 5-Series at the time, the E12 M535i was considered the first full production car released by the BMW Motorsport division. This 3.5-liter, 215-horsepower sport sedan...

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