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.
Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0.85) Power rating is dependent on fuel quality.
|BMW||F25 X3-Series||xDrive20i 184ps|