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F3x 3-Series

  • N13 ECU Performance Software

    ESS N13 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow significant performance gains on a stock car.   Part number: ESS-N13B16ATop Speed Governor: RemovedRPM Limit: Raised 300RPMFuel requirement:...

    $995.00
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  • N20 20i ECU Performance Software

    N20 20i ECU Performance Software

     ESS N20 20i ECU software is a result of extensive testing and exact calibration of ECU parameters to allow significant performance gains on a stock car. The E-Flash N20 software is a full OBD2 solution that does not require sending in the ECU or...

    $995.00
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  • N20 28i E-Flash ECU Performance Software

    N20 28i E-Flash ECU Performance Software

     ESS N20 28i E-Flash ECU software is a result of extensive testing and exact calibration of ECU parameters to allow significant performance gains on a stock car. The E-Flash N20 software is a full OBD2 solution that does not require sending in the...

    $995.00
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  • N55 306ps 91AKI/95RON Stock US Spec M235i 91AKI/95RON

    N55 (F) E-Flash Stage 1 ECU Performance Software

    ESS N55 F series E-Flash Stage 1 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow significant performance gains on a stock or lightly modified car (intake/exhaust/IC). The Stage 1 software is developed and...

    $995.00
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  • x20d F series Performance Software

    ESS optimized ECU software is a result of 100's of dyno runs and exact calibration of all parameters to allow maximum performance gains with improved driveability/fuel consumption and stock engine longevity. Part number: ESS-N47D20CHorsepower: 230 DIN...

    $995.00
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