BMW has recently introduced the M5 version of the F10 generation, but certain tuners are still nostalgic and are releasing modification packages for the previous generation of the 5er. Ladies and Gentlemen, we give you the edo M5 Dark Edition (yes, its the E61).

You know us - we'll start with the tech mods. The naturally aspirated 5-liter V10 unit has received new air filters and catalytic converters, a custom exhaust system, as well as a new ECU map.

Thus, the engine now delivers 555 hp [...]

Source: autoevolution