Advanced Performance Tuning - ECU Remapping Experts
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    BMW performance

    BMW Series 8 GC G16

    Choose your engine variant to see potential performance gains.

    840 xD - 320 HP

    Original
    320 HP
    680 Nm
    Stage 1
    400 HP
    800 Nm
    +25% / +18%

    840 xI - 340 HP

    Stage 2 Available
    Original
    340 HP
    450 Nm
    Stage 1
    385 HP
    540 Nm
    +13% / +20%
    Stage 2
    430 HP
    610 Nm
    +26% / +36%

    M850i X-Drive - 530 HP

    Stage 2 Available
    Original
    530 HP
    750 Nm
    Stage 1
    680 HP
    850 Nm
    +28% / +13%
    Stage 2
    700 HP
    890 Nm
    +32% / +19%

    M8 Competition - 625 HP

    Stage 2 Available
    Original
    625 HP
    750 Nm
    Stage 1
    700 HP
    850 Nm
    +12% / +13%
    Stage 2
    720 HP
    900 Nm
    +15% / +20%
    M Performance

    M8 Competition - 625 HP

    M
    Stage 2 Available
    Original
    625 HP
    750 Nm
    Stage 1
    700 HP
    850 Nm
    +12% / +13%
    Stage 2
    720 HP
    900 Nm
    +15% / +20%

    Important Information

    • • All power and torque figures shown are up to the maximum potential gains. No two cars are the same.
    • • Actual results depend on vehicle condition, maintenance history, and driving style.
    • • Fuel economy improvements (up to 15%) apply to diesel engines only.
    • • ECU remapping may affect your manufacturer warranty - please check with your dealer.
    • • You must inform your insurance company of any ECU modifications.