German tuner G-Power released full detail its tuning program for the BMW M6 F13, and as always, they offer loads of power and plenty of speed. Thanks to G-Power’ Bi-Tronik III power kit, the M6 now makes 640 horsepower and over 770Nm of torque.

That shows a significant gain over the standard 560 and 680, and it has a profound effect on the car’s performance. G’s M6 is capable of doing 0 to 100 km/h in 3.8 seconds which is nearly half a second quicker than the standard, and achieve a top speed of 315 km/h, while the normal M6 can only manage 305 km/h.

Apart from the engine treatment, G-Power also offers a 12kg titanium exhaust system for the M6 with carbon tailpipes, coil-over suspension system, highly advanced ceramic brakes, 21-inch G-POWER SILVERSTONE RS forged wheels and Michelin Super Sport tires.