Unlike their usual BMW projects, which saw them take on the company’s M cars, G-Power’s latest creation builds upon a 7-Series, and more specifically a 750d.

Now the stock version isn’t exactly slow to start with, as its 3.0-liter straight-six diesel engine makes 400PS (394hp) and 760Nm (561lb-ft) of torque that allow it to reach 100km/h (62mph) from a standstill in 4.6 seconds.

However, when equipped with the tuner’s D-Tronic 5 performance module, the output rises to 460PS (454hp) and 860Nm (634lb-ft) of torque. With the extra muscle, the Bavarian company’s flagship saloon needs just 4.3 seconds to cover the naught to 100 km/h (62 mph) sprint, which is very impressive for a car of its size and matches a manual gearbox-equipped M3.

G-Power says that the module engages automatically when the engine oil reaches the optimum temperature, and disengages when the limit of coolant temperature is reached. Moreover, it only comes on when full power is demanded, so driving under normal conditions will keep it shut down, as the vehicle runs on its factory ECU.

To differentiate its tuned 750d from the stock one, the company has enhanced its appearance by adding the 21-inch double five-spoke forged alloy wheels, which are made from aircraft-grade aluminum and can be ordered in Jet Black, Gun Metal Grey, Stardust Silver and Diamond-cut finish.

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