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.
This software has to be uploaded to the car at an ESS installation center or a flash capable ESS dealer.
Part number: 101-15N
Horsepower: 305DIN Man /270DIN Auto (Stock 205)
Torque: 600+NM Man / 510NM Auto (stock 430)
Installation is done through a ECU flash update.
Application intended for: E90 E91 E92 325d from 2010, 2011, 2012