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ESS F25 X3 ECU Performance Software

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Availability:

$995.00

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 opening the ECU in any way.

Catless or HFC option is not available for customers in California.

  • Top Speed Governor: Removed
  • RPM Limit: Raised 300RPM
  • Fuel requirement: 91-93AKI / 95-98RON
  • Horsepower with 11:1 piston specification : 270DIN (Stock 184HP)
  • Horsepower with 10:1 piston specification : 280DIN (Stock 184HP)
  • Catless and HFC option available at no extra charge


Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0.85) Power rating is dependent on fuel quality.

 

Fitment:

BMW F25 X3-Series xDrive20i 184ps