In Device Manager, you will now see a new yellow triangle under "Ports (COM & LPT)" named . Right-click it, choose Update Driver . Repeat the process of browsing to the driver folder. Once completed, the yellow triangles should disappear. Step 5: Verify Functionality Open the BMW Scanner 1.4.0 software .
: This usually happens if the scanner is plugged into the PC but not into the car with the ignition in Position 2 .
Right-click the device in Device Manager, select Properties , go to the Driver tab, and click Roll Back Driver . Alternatively, use a tool like "Show or hide updates" troubleshooter from Microsoft to block FTDI updates. 3. Application Crashes on Launch
To use the BMW Scanner 1.4.0 (commonly known as "BMW Bobbie" or "PA Soft") on modern systems like Windows 10 or 11, you must manually install specific FTDI drivers and often bypass Windows driver signature enforcement. 1. Driver Requirements & Compatibility The scanner uses a USB-to-UART bridge that requires FTDI D2XX drivers. Official Source: You can download the latest 64-bit drivers directly from FTDI Chip's Driver Page Operating Systems:
