
ESS Tuning - E-Flash ECU Performance Software - BMW E60 M5
ESS E-Flash MSS65 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow increased performance on either a stock car or in combination with other modifications. The ESS MSS65 S85 software is developed and tested in extreme heat in the Arizona desert as well as extreme cold temperatures in Scandinavia. The end user can select between tuned and stock software versions simply using the E-Flash system to load whatever version is required. Any future updates or changes in modifications can easily be accommodated through an emailed update. ESS E-Flash also includes full engine diagnostic functionality and code clearing capabilities.Features 8400RPM limit, higher available as custom order Removed top speed governor Reprogrammed torque management Reprogrammed throttle response Reprogrammed ignition, VANOS, and fuel parameters for optimum operation The software is compatible with performance cat-back exhaust systems.This system can be used to program be