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 driveability/fuel consumption and stock engine longevity.

• Horsepower: 230 DIN (Stock 184)
• Torque: 480NM

Installation is done through a ECU flash update. You will receive instructions on how to remove and send in ECU when you order this product.

 

Fitment:

BMW

F25 X3-Series

xDrive20d 184ps