ESS Tuning - MS43 M54B30 E-Flash ECU Tuning Software (101-45)

The ESS E-Flash OBD2 programming system allows the end user to upload the ECU tuning software directly to the car from any PC running Windows 7 or newer. The system also includes full diagnostic and code clearing capability. Any future ESS software updates can be received by email and loaded directly to the car. The stock ECU software will be saved and can easily be restored in the future.

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 6700RPM, and top speed governor is removed.

Throttle response programming is greatly improved over stock.

Power is increased by 5HP and 3lbs/ft of torque when programmed for premium fuel (91US/96Euro).

When you order this product, you will receive an ESS E-Flash OBD2 programming system and instructions on how to backup and program your ECU with new ESS software.

Application intended for: E46 330i 300ci, E39 530i, E53 X5 3.0i from 2001 2002 2003 2004 2005 2006