To ensure your installation succeeded, check Device Manager. You should no longer see any yellow exclamation points. Instead, you should see:
With the drivers installed, you can now launch the software:
: Open Device Manager , find the "BMW Scanner" device (it will likely have a yellow exclamation mark), right-click it, and select "Update Driver" .
Sometimes a computer restart after installation is needed for the COM port to lock in. 4. How to Use the Scanner Once the driver installation is verified in Device Manager: Plug the scanner into your car's OBDII port. Turn the ignition key to position 1 (ACC) or 2 (ON) 1.2.4. Launch the BMW Scanner software. Final Thoughts bmw scanner 140 drivers
Repeat the exact process from , directing Windows to the same driver folder.
A: No. The 1.4.0 scanner only supports K-Line and early DCAN cars (roughly pre-2008). For F-series and G-series, you need ENET or ICOM.
(also known as BMW Scanner 1.4 , PA Soft 1.4.0 ) is a diagnostic software and hardware interface used for BMW vehicles manufactured approximately between 1994 and 2006 (E36, E38, E39, E46, E53, E83, etc.). The drivers are essential for allowing the BMW Scanner USB cable (K+DCAN interface with a specific FTDI chip) to communicate with the Windows-based software. To ensure your installation succeeded, check Device Manager
Most "hardware faulty" or connection errors stem from incorrect driver configurations rather than broken hardware. BMW Scanner 1.4.0 Windows 10 x64 drivers
Hold down the while clicking Restart in your Windows Start Menu.
The desktop application must run with administrative privileges to communicate with the driver interface properly. Sometimes a computer restart after installation is needed
Windows 10 and 11 won't let you install "unverified" drivers by default. You have to temporarily lower the gates: Method A (CMD): Run Command Prompt as Admin and type: bcdedit /set testsigning on , then restart your PC. Method B (Advanced Startup):
: Registering battery exchanges and checking live engine data. Step-by-Step Driver Installation (Windows 10/11 64-bit)
Click and navigate to the folder where you extracted your FTDI drivers.
If the tool suddenly stops working, open Device Manager, right-click the device, select Roll Back Driver , or re-perform the manual "Have Disk" installation strategy. Conclusion
Repeat this exact process if a secondary device named "USB Serial Port" appears with a yellow triangle after the first installation. Step 4: Configure Software Compatibility Settings