The software is hardcoded to look for serial ports between COM 1 and COM 4. Windows 11 may assign COM 7 or higher.
While Windows 11 was never designed to support legacy automotive diagnostics, the BMW Scanner 1.4 remains usable for the dedicated enthusiast. By manually editing Prolific drivers, forcing legacy COM ports, and temporarily disabling driver signature enforcement, you can breathe new life into your old diagnostic tool.
However, if you rely on your scanner for professional or frequent use, invest in a dedicated old laptop running Windows 7. For the hobbyist with a single E46 or E39 project car, following the guide above will save you $200 on a new scanner. bmw scanner 14 windows 11
Final Tip: Before every diagnostic session on Windows 11, reboot and disable driver signature enforcement. It takes 60 seconds and saves four hours of frustration.
Have a specific error? Join the discussion on the BMW Scanner 1.4 Windows 11 thread at Bimmerforums.com or E46Fanatics.com. The software is hardcoded to look for serial
Disclaimer: Modifying drivers and disabling Windows security features carries inherent risks. Perform these steps at your own risk. Always back up your BMW module data (using the "Save" button in Scanner 1.4) before performing any coding.
| Feature | BMW Scanner 1.4 (Win11) | INPA/ISTA (Win11) | Carly/OBDeleven | |---------|------------------------|--------------------|------------------| | E-series coding | Excellent | Advanced | Limited | | User interface | Very simple (basic GUI) | Complex (German/English mix) | App-based | | F-series support | No | Yes (ISTA) | Yes | | Real-time graphing | No | Yes | Yes | | Cost | $30-$60 (cable + sw) | Free (sw) | Subscription | | Brick risk | High (EEPROM writes) | Low | Very low | Have a specific error
BMW Scanner 1.4.0 is very old software (last updated ~2010). It was designed for Windows XP/Vista/7.
Windows 11 will not run its 32-bit drivers in standard mode. You must disable driver signature enforcement, or the USB cable will not be recognized.