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E83 X3-Series

  • MS45 M54B30 ECU Tuning Software

    ESS Normal Aspiration 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. RPM limit is increased to...

    $695.00
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  • N52B30 ESS E-Flash ECU Performance Software

    ESS N52B30 ESS E-Flash Performance ECU software is a result of extensive testing and exact calibration of ECU parameters to allow considerable performance gains on an otherwise stock car. The ESS N52B30 performance software is developed and tested in...

    $895.00
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  • x20d 163hp ESS E-Flash ECU Tuning Software Stage 1

    x20d 163hp ESS E-Flash ECU Tuning Software Stage 1

    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 drivability/fuel consumption and stock engine longevity. When ordering this product you will receive 1...

    $945.00
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