Once you have successfully downloaded the v.4.27.20_PSdZData_Lite archive (usually as a .rar or .zip file), follow this detailed procedure to install it.
Your vehicle’s determines which PSdZData version is compatible. Using an older PSdZData version on a newer I-Step can result in missing CAFD errors. Conversely, using a newer PSdZData version on an old I-Step is generally safer. v42720 psdzdata lite download install
To confirm everything works, try a low-risk coding change such as enabling digital speed display in the instrument cluster. If E-Sys detects the relevant CAFD files and allows you to edit FDL codes, your installation is successful. Once you have successfully downloaded the v
BMW PSdZData v4.27.20 Lite: Download & Installation Guide For BMW enthusiasts and technicians using for coding, the PSdZData v4.27.20 Lite package is a critical component for interacting with vehicle ECUs. Released in late 2020, this specific version supports a wide range of BMW F, G, and I series chassis codes, enabling features like video-in-motion, acoustic lock confirmation, and digital torque meters. Core Differences: Lite vs. Full Conversely, using a newer PSdZData version on an
This version corresponds to a specific (BMW’s factory programming system). 4.27.20 is from around mid-2018–early 2019 , supporting:
Locate the folder named Data . The default directory path is: C:\Data Inside the Data folder, look for a folder named psdzdata .
: Copy the entire psdzdata folder to the standard E-Sys data path, typically C:\Data\ . The final path should look like C:\Data\psdzdata .