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The BMW 6 Series has become history – at least in its traditional form as the coupé, or the more recent convertible and Gran Coupé forms too. But of course, these models aren´t disappearing completely from the range. On the contrary, BMW is returning to an equally prestigious name for its successor: the 8 Series.

Performance increase to 670 hp – thanks to more than 35 years of experience

It goes without saying that G-POWER, specialized in performance optimizations on BMW models for more than 35 years, has already gotten involved with the most powerful 8 Series model to date: the M850i. The result is, as usual, a significantly higher performance in comparison to the rest of the series, which helps bring the G-POWER M850i xDrive to a performance level worthy of super sports cars.

The large 4.4 liter twin-turbo V8 in the front of the G-POWER M850i xDrive generates an impressive 670 HP (493 kW) and a maximum torque of 890 Nm. This is a boost of 140 HP (103 kW) and 140 Nm in comparison to the rest of the series.

Acceleration: 0-100 km/h in 3,1s – Top Speed: > 320 km / h

Responsible for this is a combination of hardware and software modifications. For one thing, G-POWER has installed a set of stainless-steel downpipes including 200-cell sports catalytic converters. These reduce both the thermal load and the dynamic pressure, allowing the twin-charged V8 engine to exhale more freely, thereby generating the basis for an even higher performance output for the sporty coupé. This new potential of the M850i Is than directly transferred into more output by the time-tested V2 Performance Software, supported by its perfect match, the increase of the top-speed limit, which can be optionally obtained. This means the G-POWER M850i can reach speeds of more than 320 km/h. In doing so, it completes the sprint from 0 to 100 km/h in a mere 3.1 seconds!

Engine protection and diagnostic features are preserved

Because the factory-installed engine protection and diagnostic features remain unchanged, the eight cylinders of the N63 are guaranteed to not be affected by the software changes. After all, G-POWER sets the safety and longevity of the technical components as its top priority in all developments and carries out extensive testing, both in hot and cold conditions.

Ultra-light 21-inch forged wheel set completes the performance increase

In addition to the technical optimizations, the M850i also shows off a set of the popular HURRICANE RR forged rims. The lightweight wheels are distinguished by their five classic double spokes and have dimensions of 9×21” and 10.5×21” here. They are fitted with high-performance 255/30R21 and 305/25R21 tires.