The BMW M5 is one of the most legendary performance cars ever produced, as it revolutionized the executive sports sedan market when it first hit the market in 1985. It has had to deal with a swarm of rivals trying to cash in on the lucrative sector since, though BMWs M Division has continually moved the bar ever higher to ensure the M5 retains its crown as the king of the mid-size premium sports sedan.
Â
