• PROFLEX Commander for E46 M3

    Full Bolt On Flex Fuel System for BMW M3 (S54) with Smartphone Connectivity

    20+ WHP Gains

    PROFLEX Commander for E46 M3

    The PROFLEX Commander for E46 M3 is full bolt on and gives your vehicle full flex fuel capability, meaning that right out of the box you can run gas, E85, or any blend seamlessly without the need to tune or switch maps. Unlock your M3's hidden power by running E85! Please see our dyno page for M3 dyno data.


    Supercharged cars may require upgrades to the fuel pump and injectors to run full E85. Supercharged cars should be dynoed or logged to ensure the fuel system is able to meet the demand of the fuel or blend customers wish to use to ensure safe engine operation. Please contact us for more information.

    What comes in the box

    • PROFLEX Commander Unit for S54 engine with smartphone connectivity
    • Flex Fuel Sensor with fuel line and fittings for S54 engine
    • Plug-and-Play Wiring Harness for S54 engine

    Watch the M3 on the Dyno

    Installation Video

  • Contact us with questions

    Mon-Fri 8am-6pm CST
    (866) 902-FUEL
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