HAMANN Tuning Program for Bentley Continental GT. Results may vary depending on basis engine, vehicle equipment, transmission, gear and final drive ratios, wheel/tire combination, etc. To get the top power, you need to use the fuel Super Plus 98 ROZ.HAMANN OPTIMIZED CURVE MAPS Electronic power advancement through reprogramming of ECU Approx. 77 hp / 57 kW power increase, approx. 110 Nm torque increase V/max approx. 322 km/h (series 318 km/h).HAMANN HIGH PERFORMANCE BRAKE SYSTEM FRONT AXLE 2 HAMANN brake discs 415 x 38 mm, slotted and vented 2 HAMANN 6pot callipers in red colour (other colours available for extra charge) HAMANN special brake pads, HAMANN Stahlflex brake linings HAMANN adapters, complete installation hardware. here o get HAMANN Tuning Program for Bentley Continental GT