To successfully set up the drivers, you must bypass Windows' driver signature enforcement:
Note: The driver you are looking for is typically titled "FT232R USB UART". Step-by-Step Installation Guide
Because this hardware uses an older chipset, getting it to work on modern Windows computers (Windows 10 and 11) is notoriously difficult.
Even with drivers installed, many users see a "Hardware Faulty" message when opening the software. Power the Scanner bmw scanner 140 drivers
Go to Settings > Recovery > Advanced Startup. Upon restart, choose
Modern 64-bit operating systems enforce strict . This security feature prevents the OS from loading unsigned drivers, which is exactly what happens with the legacy drivers typically included on the mini-CD that comes with the scanner. To make the scanner work today, you must manually point Windows to compatible, signed 64-bit FTDI drivers. Step-by-Step Driver Installation Guide
: Once installed, open the BMW Scanner software. You should see two green squares in the settings, indicating the drivers and hardware are recognized. Common Troubleshooting To successfully set up the drivers, you must
The software should show green status bars for both and "Connection" . If "Hardware" is green but "Connection" is red, your driver is fine, but the software cannot communicate with the car's modules. Troubleshooting Common Errors "Hardware Not Ready" Error This means the software cannot see the USB cable chip.
The procedure can vary depending on your operating system. Below are the two most common and effective methods.
Select the driver model (usually or BMW Scanner ) and click Next . Power the Scanner Go to Settings > Recovery
Troubleshoot > Advanced options > Startup Settings > Restart to "Disable driver signature enforcement". 3. Manual Installation (The Critical Step)
: If you're on a 64-bit system, ensure you specifically point the Device Manager to the folder containing the ftdibus.inf and ftdiport.inf files. Where to Find Help