E-Sys Plus 4.0.2 is a specialized launcher for the official BMW E-Sys software, primarily used by enthusiasts and professionals for FDL (Function Data List) coding on BMW F, G, and I-series vehicles. Unlike standard E-Sys, which often lacks descriptive text for coding parameters due to BMW's trim and masking, E-Sys Plus 4.0.2 provides the necessary mapping (CAFD) to make these settings readable and editable. Bimmerpost Key Features & Capabilities Enhanced Mapping Speed
Historically strong, but users have reported moving towards newer, better-supported alternatives, especially as newer I-Step updates occur.
At least 50 GB to 100 GB of free space SSD storage to hold the heavy BMW PSdZData libraries.
: Open E-Sys Plus and point the application to your ESys.exe executable and your PsdzData folder (usually located in C:\Data ). esys plus 4.0.2
Vehicle coding carries inherent risks. A single interrupted write operation can temporarily "brick" an electronic module. Follow these golden rules to minimize risk:
: A Windows-based laptop with a physical Ethernet port (or a reliable USB-to-Ethernet adapter).
Setting up your environment correctly ensures that you do not corrupt vehicle modules during communication. Step 1: Install Base Software E-Sys Plus 4
This tutorial is based on procedures for a BMW G38 model, but the overall workflow is similar for many modern F and G-series cars.
: Includes built-in tools for token generation and NCD file manipulation. ❌ The Bad
Download and extract the latest PSdZData files (either the compact "Lite" version for coding or the "Full" version for firmware flashing) into the designated E-Sys data directory. At least 50 GB to 100 GB of
: Users can easily modify the vehicle's factory equipment list, such as adding features like fog lights or disabling warnings like the SOS emergency call system .
Automatic identification of the chassis type upon connection, reducing the risk of selecting the wrong target. System Requirements & Setup