The M5 has always been a luxury powerhouse when it comes to the M Performance line of BMW. Pushing out 500 bhp from the 5.0 L V10 S85 engine, the super high performance sedan makes its way from 0-60 mph in 4.1 to 4.5 seconds. Amazingly, the E60 M5 was both the quickest and the fastest sedan in the world when it was released in 2005. We put this Black Sapphire Metallic M5 on our Dynojet Dyno to see what numbers it would put to the wheels. 437.49 hp at 7,470 RPM was the number the M5 ended up pushing to. Although already putting down a high number, the owner wanted more.

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