G-Power BMW M850i: More powerful and economical than an M8

If you want M8 power in your BMW 8 Series but aren’t willing to pay M fees for it, G-Power will serve you with pinpoint accuracy.

The BMW M8 Competition marks the top of the 8-series model family in the BMW range with its 625 hp and a price of 175,200 euros. The M850i ​​xDrive only offers 530bhp, but at €132,000 it’s a whopping €43,200 below the actual M model. There is plenty of room for adjustment measures.

Up to 670 hp are in it

G-Power BMW M850i


With a modified engine control, G-Power raises the V8 up to 670 hp and 900 Nm.

Aichach’s G-Power Tuner offers a newly programmed engine control for the M850i ​​for performance-hungry folks, taking its 4.4-litre twin-turbocharged V8 to 620hp and peak torque of 850Nm. This means that the smaller 8 Series is just five hp below the M8’s performance level and, in terms of torque, even beats the M8 by 100Nm. But the real hammer comes with the price. The new engine control costs €2,495, and vehicles manufactured after June 2020 have to unlock the ECU for another €1,785.

If you also want to beat the M8 in terms of performance, you can go with the GP-670 software version, which costs €3,495, along with a new manifold system (€5,360) and a new rear silencer (€3,927). This package increases the power of the V8 up to 670 hp and the maximum torque goes up to 900 Nm. In both cases, the maximum achievable top speed can be optionally increased for a surcharge of 495 euros.

carbon for optics

G-Power helps the look of the M850i ​​with a new carbon bonnet ($5,950) with vents and a new carbon rear wing ($3,332) that’s only available for the two-door coupe. The wheel arches are equipped with G-Power from the house’s range of rims. Hurricane RR and Hurricane RS wheels are available in 21-inch format with 255/30 and 295/25 tires. As an alternative, the RR rim can also be equipped with a 20-inch diameter and tires in the sizes 245/35 and 275/30. As for the finish, the customer can choose between different variants. The prices of the special wheels start at 1,428 euros, per piece and without tires.

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Between the M8 Competition and the M850i ​​there are more than 43,000 euros in the BMW price list. Enough free capital for Tuner G-Power to raise their M850i ​​to a power level that is well above the M8 and yet still priced below the top series model.


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