10/20/2006
Hamann BMW Z4 M Coupe

Reprogramming the standard engine management system produces an extra 15 bhp (11 kW). Torque rises by 20 Nm. Reprogramming also includes circumvention of the Vmax limit and, after being thus tweaked, the HAMANN Z4 M Coupé reaches 275 km/h[via LeftlaneNews - Automotoportal]





