Navigate to your downloaded driver folder and select . When prompted, choose "Install this driver software anyway" .

Windows 10 enforces strict driver signing, which blocks the older BMW Scanner drivers. Follow these exact steps to bypass this issue. Step 1: Extract the Software Download the BMW Scanner 1.4.0 software archive.

Reads and clears codes from DME, EWS, ABS, SRS, and IKE modules.

If you run into issues during the installation process, let me know. I can help you troubleshoot by looking at: The exact you see when the software fails. Whether your Windows 10 build is 32-bit or 64-bit .

Click and select the folder where you extracted your software, specifically targeting the subfolder named Drivers or FTDI_Drivers . Ensure the checkbox for "Include subfolders" is checked.

Once the software and drivers are installed, you need to connect to the vehicle in a specific order to establish a stable connection.

Open , right-click the unrecognized device (often "BMW Scanner V14x"), and select Update Driver .

You should see both and "Adapter" lit up in green, indicating successful communication.

: To allow unsigned drivers, run Command Prompt as Admin and enter bcdedit /set testsigning on , then restart your PC .