Flash newer software versions onto specific modules.

(abbreviated from Programm-System-daten-Zusatz ) is essentially the library of data and scripts required to communicate with a BMW's Electronic Control Units (ECUs) . These files are used by technicians and enthusiasts to:

Enable hidden options like "Comfort Access" mirror folding or video-in-motion.

The .7z extension at the end signifies that the data is compressed using 7-Zip . This is common because the "Full" version of these data packages can exceed in size.