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  • BMW B58 M800 Performance Package

    (For M240i, M340i, M440i, GR Supra, and More)
    🚀 800+ Wheel Horsepower - Built for the Street, Ready for the Track

    Ready to turn your B58 powered BMW or GR Supra into a true powerhouse? Our MTech B58 M800 Package packs everything you need to safely push your car to over 800 wheel horsepower all while keeping your stock engine and transmission intact. Daily drive it, race it, flex it this package can handle it.


    🔧 What’s Included (and Why It Matters):

    Front-Mount Cold Air Intake for Cooler air = more power. Keeps your turbo happy.
    Charge Pipe & Turbo Inlet for Max airflow, better throttle response, and ready for big boost.
    MTech Downpipe & Midpipe Frees up exhaust flow for serious power gains and sound.
    PURE900 Turbo Bigger turbo, bigger power. This is where the magic happens.
    MTech Port Injection Kit (Plug & Play) Extra fuel for big boost, your engine’s ready.
    D.I.Y. Low-Pressure Fuel Pump Kit More fuel, more fun. No worries about running lean.
    BM3 Ethanol Flex Fuel Kit, Run gas, ethanol, or a mix, the kit adjusts on the fly.
    Custom Flex Fuel Tune, Dialed-in maps for 93 Octane, E50 Blend, or full flex-fuel freedom safe, reliable power anywhere.
    Bootmod3 License or ECUTek Unlock (Optional) Tune your car for max power (we’ll help you choose).
    FEMTO DME Unlock (Optional for 06/2020+ builds) Required for newer models, we handle the FEMTO Unlock.


    💪 What You Get:

    800+ Wheel Horsepower potential.
    ✔ Proven upgrades to handle the power safely on the stock engine & trans.
    ✔ Flex fuel ready, run 93 pump gas or E50 ethanol blends.
    ✔ Daily drivable AND track capable.
    ✔ Everything needed no guesswork, no extra trips to the shop.
    ✔ All the parts and MTech tuning you'll need to achieve your goals. (labor not included)


    🔥 Compatible B58 Models:

    • G42 M240i (incl. xDrive)
    • G2x M340i / M440i (incl. xDrive)
    • G3x 540i
    • G32 640i
    • G1x 740i / 740Li
    • G1x 840i
    • G0x X3M40i / X4M40i
    • G0x X5/X6/X7 40i
    • G29 Z4 M40i
    • Toyota GR Supra

    ⚠️ Note on FEMTO DME Unlock:

    For vehicles built after June 2020, a FEMTO Unlock is required to safely tune your car. We handle the process, just ship your DME to us. Add $1,399 when purchased with the package.


    🏁 Why Choose MTech’s B58 M800 Package?

    If you want to crush the competition, light up the streets, or just enjoy pure, reliable power every time you drive this is the setup. Built by enthusiasts, tested, and ready for more when you are.

    👉 Ready to hit 800+ wheel horsepower?

    DME Unlock Option
    FEMTO Unlock Service (REQUIRED for Production Year Ranges June 2020 - Present)