BMW has finally given us a few details about one upcoming 8 Series trim.

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The M850i xDrive will be the second most powerful trim, slotting beneath the M8.

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It will pack a massively revised version of BMW's 4.4-liter V8.

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Power is up 67 horsepower to a meaty 523 hp.

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Torque is up nearly 100 pound-feet, to 553.

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The current version of this engine lives in the M550i xDrive.

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The M850i will also pack four-wheel steering and adaptive dampers.

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The xDrive designation means that it'll have all-wheel drive, too.

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BMW says the 8 Series will go on sale this year, which means a debut should finally happen in the near future.

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Keep scrolling to check out even more shots of the M850i as it undergoes testing in camouflage.

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