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    M157 W.1 Package

    sku:M157 W.1 Package

    Availability: In stock


    M157 W.1 Package

    M157 W.1 Package

    The M157 W.1 Package is provides an excellent starting point for extracting more power from the M157 Biturbo engine. The package consists of our M157 ECU Upgrade, High Flow Air Filters, and M157 Racing Spark Plugs. The ECU Upgrade and the High Flow Filters create significant power gains while the Racing Spark Plugs are designed to handle the increased heat and pressure from the 100+hp gains.

    *Product may not be emissions compliant.  Check local laws prior to installation.

    Key Features:

    • Increased HP and Torque

    • Improved Throttle Response

    • Eliminated Top Speed Limiter

    • Optimized Fuel, Spark and Boost

    • Improved Airflow

    PDF Filecalrequest_revb_7 (364.4 KB)Download
    PDF Filem157-m278_ecu_removal_3 (898.2 KB)Download
    PDF Filespark_plug_gap_m157 (214.2 KB)Download
    PDF Filem157airfilters (1.5 MB)Download


    This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations.
    Some Weistec Engineering performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). For state specific details please visit the following website.
    It is the responsibility of the installer and/or user of the product to ensure that it is used in compliance with all applicable laws and regulations. If a product was purchased in error, do not install and/or use it. The purchaser must arrange to return the product(s) for a full refund.
    All performance modifications and installations are at the customer’s own risk. Weistec Engineering holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products.


    WARNING: Cancer and Reproductive Harm