This is what most enthusiasts want. You directly edit individual bytes and parameters within an ECU.
Once installed, connect your ENET cable to your car’s OBDII port and your laptop’s Ethernet port. esys 3.36.2
E-Sys is a professional-level diagnostic and coding tool for BMW vehicles. It allows modification of vehicle control units (ECUs) by editing FA (Vehicle Order), SVT (System Verification Tree), and coding parameters. This is what most enthusiasts want
If you are looking to buy or insure one of these, use this checklist: SVT (System Verification Tree)