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Engine & Drivetrain

Shop the parts you need to improve or maintain your BMW engine here. At Bavarian Autosport, we stock products for the cooling and fuel systems, transmission and clutch assemblies, to all of the filters, belts, and fluids that your MINI or BMW will ever need. Click the categories below to browse our complete catalog of both OEM and aftermarket parts for your vehicle.

For more than four decades, Bavarian Autosport has been helping BMW and MINI enthusiasts maintain, repair, and upgrade their vehicles while saving thousands of dollars in shop fees. Throughout our history it has been our mission to give every Mini or BMW owner the resources to take on nearly any repair or maintenance task themselves. With more than 100 DIY videos and free tech help available on our site, there is no job that is too big. We have a full team of advisers ready to answer your technical questions and help you find the right part for your Mini or BMW by phone or email. And if you aren't 100% satisfied with your purchase, returns are easy and hassle-free.

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  • Voltage regulator

    Voltage Regulator

    PART#: 12 31 1 713 491

    BRAND: Genuine BMW

    This part is model specific. Please select a vehicle above to ensure that you get the correct part.

    $509.41 / each
    Typically ships in 3-5 days.
    NOTE: Upgrading to expedited shipping will not shorten the “ships in” time listed above.

    Ships for free if total order exceeds $99
  • Voltage regulator

    Voltage Regulator - Only for 120 Amp Bosch Alternator - Genuine BMW

    PART#: 12 31 7 559 183

    BRAND: Genuine BMW

    This part is model specific. Please select a vehicle above to ensure that you get the correct part.

    $163.79 / each
    Typically ships in 3-5 days.
    NOTE: Upgrading to expedited shipping will not shorten the “ships in” time listed above.

    Ships for free if total order exceeds $99
  • Voltage Regulator - Bosch Alternator Only - Genuine BMW

    Voltage Regulator - Bosch Alternator Only - Genuine BMW

    PART#: 12 31 7 561 939

    BRAND: Genuine BMW

    This part is model specific. Please select a vehicle above to ensure that you get the correct part.

    $163.79 / each
    Typically ships in 3-5 days.
    NOTE: Upgrading to expedited shipping will not shorten the “ships in” time listed above.

    Ships for free if total order exceeds $99