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M5

  • $599.00 $499.00 E39 M5 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 drivability/fuel consumption and stock engine longevity...
  • $1,995.00 E39 M5 VT525 -> VT550 Supercharger System Upgrade Kit
    Upgrade kit for existing E39 M5 VT525 kit to VT550 power specification consisting off : -VT550 spec pulley and belt kit-VT550 spec ECU software with 7100RPM limit-VT550 spec "Race" bypass valve assembly with discharge...
  • $7,995.00 Choose Options E39 M5 VT525 Supercharger System
    The ESS E39 M5 5PSI supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS. Countless hours of development and testing have...
  • $9,495.00 Choose Options E39 M5 VT550 Supercharger System
    The ESS E39 M5 6PSI supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS. Countless hours of development and testing have...

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