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.
When ordering this product you will receive 1 ESS E-Flash OBD2 programming system which will VIN lock to your car.
This system can be used to program between stock and tuned, and it can also be used to load custom files/race fuel files/updates received from ESS over email. The ESS E-Flash system also includes full engine diagnostic and code clearing functionality.
Part number: 101-21
Horsepower: 285DIN (Stock 231/235)
Torque: 630NM (stock 500)
Installation is done through a ECU flash update.
Application intended for: BMW E60 E61 E70 E71 E90 E91 330d 530d X5 X6 231/235hp version from 2006, 2007, 2008, 2009, 2010