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.
Part number: 101-122
When ordering this product you will receive instructions on how to remove and send the ECU in to one of our reprogramming centers.
Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0.85)
Application intended for: BMW E81 E82 E87 E88 E90 E91 E92 E93 118d 318d 143/136(detuned) hp version from 2010 2011