: The most reliable way to obtain the download link is to request it from veteran members like shawnsheridan PSdZData Full vs. Lite thread Bimmerpost Installation Path : Once downloaded, the contents of the folder should be extracted to C:\Data\psdzdata for E-Sys to recognize them. Bimmerpost Technical Requirements for v.4.27.20 Requirement Compatible Software E-Sys 3.30.0