Advanced Performance Tuning - ECU Remapping Experts
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    BMW performance

    BMW Series 4 GC G2x 2021

    Choose your engine variant to see potential performance gains.

    430D - 286 HP

    Original
    286 HP
    650 Nm
    Stage 1
    330 HP
    720 Nm
    +15% / +11%

    M440i - 374 HP

    Stage 2 Available
    Original
    374 HP
    500 Nm
    Stage 1
    420 HP
    580 Nm
    +12% / +16%
    Stage 2
    430 HP
    600 Nm
    +15% / +20%
    M Performance

    M4 - 431 HP

    M
    Stage 2 Available
    Original
    431 HP
    550 Nm
    Stage 1
    500 HP
    680 Nm
    +16% / +24%
    Stage 2
    520 HP
    720 Nm
    +21% / +31%

    M4 Competition - 450 HP

    M
    Stage 2 Available
    Original
    450 HP
    550 Nm
    Stage 1
    500 HP
    680 Nm
    +11% / +24%
    Stage 2
    520 HP
    720 Nm
    +16% / +31%

    M4 CS - 460 HP

    M
    Stage 2 Available
    Original
    460 HP
    600 Nm
    Stage 1
    500 HP
    680 Nm
    +9% / +13%
    Stage 2
    520 HP
    720 Nm
    +13% / +20%

    GTS - 500 HP

    M
    Stage 2 Available
    Original
    500 HP
    600 Nm
    Stage 1
    530 HP
    700 Nm
    +6% / +17%
    Stage 2
    560 HP
    750 Nm
    +12% / +25%

    3.0 Bi-Turbo - 480 HP

    M
    Original
    480 HP
    600 Nm
    Stage 1
    600 HP
    800 Nm
    +25% / +33%

    M4 Competition - 510 HP

    M
    Original
    510 HP
    650 Nm
    Stage 1
    610 HP
    800 Nm
    +20% / +23%

    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.