: Enable "hidden" features like windows rolling up/down via the key fob, auto-locking doors, and disabling the "key-in-ignition" chime.
I can provide the exact steps to get your specific configuration working. Share public link
If the software opens but cannot read your car's modules, it is likely a hardware bridging issue common to cheap clone scanners.
Modern Windows versions block unsigned drivers by default. Since the working BMW Scanner drivers are older and lack modern digital signatures, you must temporarily disable this security feature. bmw scanner 140 drivers
For owners of older BMW models (specifically E38, E39, E46, E53, E83, and E85), the —often referred to as PA Soft—is an indispensable, cost-effective diagnostic tool. It allows users to read/clear codes, modify coding data, reset service lights, and perform deep diagnostics on various modules.
Many cheap aftermarket BMW Scanner 1.4.0 units require a hardware modification to read all vehicle modules (like the IKE, LCM, or ABS).
Note: You may have to repeat this process a second time if the device splits into a "USB Serial Converter" and a "USB Serial Port" in your Device Manager tree. How to Verify the Driver Installation : Enable "hidden" features like windows rolling up/down
Activating features like auto-locking, alarm sounds, or changing comfort settings.
: Re-execute Step 2 to disable driver signature enforcement and reinstall the files via Device Manager.
Your (e.g., Windows 10 Home, Windows 11 Pro) The exact error message displayed by the software The chassis code of your BMW (e.g., E46, E39, E53) Modern Windows versions block unsigned drivers by default
BMW Scanner 1.40 is a popular diagnostic tool used to scan and diagnose issues with BMW vehicles. It's a user-friendly software that provides detailed information about your vehicle's engine, transmission, and other systems.
Plug the scanner into your PC. It will likely show up as an "Unknown Device" or "BMW Scanner" with a yellow exclamation mark. Right-click the device and select Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer and navigate to your extracted driver folder (often labeled Drivers_x64 Look for the ftdibus.inf file. Select USB Serial Converter A , ignoring the red security warnings. Bimmerforums.com 3. Fixing the "Hardware Faulty" Error