Unlike simpler OBD2 scanners or aftermarket tools like BimmerCode or Carly, Esys communicates with the vehicle using the full KWP2000, UDS, and DoIP protocols. This gives you low-level access—but with great power comes great responsibility. A single incorrect change can brick an ECU or cause unexpected vehicle behavior.
Search engines have cracked down on direct linking to these files. Here is how to navigate safely.
There are two main versions of PSdZData to choose from: Esys 3.40 Download
Install PSDZData
Modifying parameters within the existing firmware to change how a feature behaves. Examples include enabling video-in-motion, disabling the seatbelt chime, or registering a new battery profile. Unlike simpler OBD2 scanners or aftermarket tools like
Allows for read/write of FSC codes, crucial for navigation map updates and voice control activation.
| Feature | Esys 3.40.2 | Esys 3.43.0+ | | :--- | :--- | :--- | | | ✅ Perfect | ✅ Works | | G-series (G01, G05, G20) | ❌ Missing I-Levels | ✅ Native support | | Token/Launcher support | Excellent (PRO 2.8) | Poor (requires paid solutions) | | CAFD editing ease | Simple via Launcher | Complex, often requires manual XML | | Flashing speed | Standard | Slightly improved delta encoding | Search engines have cracked down on direct linking
Disclaimer: Coding can affect vehicle warranty and functionality. Proceed with caution. 1. Download E-Sys 3.40 and Components
Connect the ENET cable to your car's OBD2 port and your laptop's network port.
Ensure you select Esys 3.40 specifically. Other versions might not meet your requirements, or they could be incompatible with your system.
Stick with 3.40 for F-series tuning and FSC manipulation. Upgrade only for G-series.