Standard E-Sys is token-protected. You need a launcher to "trim" the files so you can actually read the coding data. BimmerUtility is the modern, paid standard for this, as many free launchers are now outdated.
The most dangerous risk is to your vehicle. Corrupt software files or improperly patched databases can cause a coding session to fail midway through. This can leave an ECU in a "brick" state, requiring a costly tow to the dealership and a replacement module. esys 3362 download free
Extract your data files into C:\Data\psdzdata . Standard E-Sys is token-protected