Before You Begin
⚠️ Uninstall any previous version of ISTA before installation.
Installing over an existing version will cause conflicts and errors.
✅ For best results, install on a clean Windows system.
1. Run the uninstaller for the previous version (if available), then delete these folders:
2. Delete the following registry keys (open regedit.exe and navigate to each):
Installation Steps
Disable Windows Defender and antivirus
Temporarily disable Windows Defender and any third-party antivirus programs before starting the installation. ISTA+ files may be incorrectly flagged as threats.
Install 7-Zip
If not already installed, download and install 7-Zip. It is required to extract the ISTA+ archive files.
Install all add-ons from the Windows folder
Open the Windows folder inside the extracted archive and run all add-on installers found there before proceeding.
Run the installer
Launch BMW ISTA+ Standalone.exe and follow the on-screen instructions.
⏳ Installation can take up to 3 hours. It's easiest to leave it running overnight.
Add the BMW folder to Windows Defender exceptions
After installation completes, add the following path to Windows Defender's exclusion list to prevent it from deleting ISTA+ files:
At this point ISTA+ is ready for diagnostic use. Steps below are only needed for full programming support.
Activate full programming mode
Run the full-with-programming registry file included in the package to unlock programming features.
Then download and extract PSdZData 4.60.11 Full to:
Alternatively, if you want the PSdZData database stored on another drive or location, create a symbolic link instead. Open CMD as Administrator and run:
Replace the second path with the actual location of your PSdZData folder.
Russian language (optional)
Extract the RU SQLiteDBs archive to:
Then open ISTA+ settings and switch the interface language to Russian.
D-CAN USB Users
These additional steps are required only when using a K+DCAN USB cable (E-Series vehicles).
Launch the interface switcher first
Before opening ISTA+, run ICOM-ENET or DCAN Switch and change the mode to DCAN.
Configure Device Manager
After connecting the D-CAN adapter, open Device Manager and set the COM port properties to:
- Port number: COM3
- Latency timer: 1 ms
