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  • BMW S58 Tuning FAQs

    HOW MUCH POWER CAN YOUR S58 GAIN WITH MTECH TUNING?

    Horsepower & Torque #s are calculated to the wheels, utilizing our in-house Dynojet.

    Stock S58 Engine OEM Exhaust OEM Intake

    • 93 Octane Fuel
    • 600 Wheel Horsepower
    • 670 FTlbs-Torque

    Stock S58 Engine MTech Downpipe & Intake

    • 93 Octane Fuel
    • 640 Wheel Horsepower
    • 700 FTlbs-Torque

    Stock S58 Engine w/ MTech Bolt-Ons (E50)

    • E50 Fuel
    • 750 Wheel Horsepower
    • 730 FTlbs-Torque
    • 1/4 mile ET 9.7 - 9.8s

    CAN I USE FULL E85?

    You will need to upgrade your existing fuel system. The OEM fuel system is at it's limit when tuning on full E85.

    When you add the MTech Port Injection Kit and a low pressure fuel pump you'll achieve 780 Wheel Horsepower with 750 FT-lbs Torque maxing out the OEM turbocharger. Now you'll have enough fuel to upgrade to PURE Turbos or go with our MTech Single Turbo Kit.

    S58 Engine | Models

    • M2 incl. xDrive
    • M3 incl. xDrive
    • M4 incl. xDrive
    • X3M
    • X4M

    Still Want More Power?

    Then our S58 M800 Package is what you'll need!