This method works well for Windows 10 and 11 and is recommended by many users on BMW forums.
: Open Device Manager , find the "BMW Scanner" device (it will likely have a yellow exclamation mark), right-click it, and select "Update Driver" .
Look through the list for a device with a yellow exclamation mark. It will usually be named or FT232R USB UART under "Other devices". Right-click the device and select Update driver . Choose Browse my computer for drivers .
Windows 7, 8, 10, or 11 (64-bit configurations require the manual steps below).
Even with the correct steps, issues can arise. Here is a comprehensive list of common errors and how to solve them. bmw scanner 140 drivers
The core problem you face is that a modern Windows 10 or 11 PC will not automatically recognize or install drivers for the BMW Scanner 1.4.0 correctly. Because the hardware is older, you'll need to tell Windows exactly what to do. Below is a detailed guide for each OS, including the common pitfalls and how to avoid them.
At its heart, the BMW Scanner 1.4.0 uses a common technology: an to communicate with your car's modules. This means the drivers you need aren't proprietary BMW software; they are generic drivers from FTDI (Future Technology Devices International) , the company that manufactured the communication chip.
If you get a "Hardware Faulty" message, the software isn't seeing the 12V power from the car. 5. Final Hardware Tweaks
Modern versions of Windows enforce strict driver signature verification. Because the original drivers bundled with the P.A. Soft software are unsigned and 32-bit, 64-bit operating systems block them immediately. To bypass this, you must manually point Windows to compatible FTDI drivers and force the installation. Prerequisites Before You Begin This method works well for Windows 10 and
Windows 10 adds a major layer of complexity. Its strict will block the unsigned drivers that the BMW Scanner 1.4.0 uses.
Navigate to your BMW Scanner 1.4.0 installation folder (typically C:\Program Files (x86)\BMW Scanner ).
Plug the scanner into your PC (it doesn't need to be in the car yet). Device Manager
: Extract both ZIP files into separate, easily accessible folders on your Desktop. It will usually be named or FT232R USB
In early BMWs, diagnostic data lines are split across pin 7 and pin 8 of the OBD port.
Plug the OBD2 scanner firmly into the car's diagnostic port (located under the driver's side dashboard, or in the engine bay using a 20-pin adapter for pre-2001 models).
Allows users to enable features such as auto door locks, window roll-up/down via the key fob, and more through the ZKE module.
Click . Select Show All Devices and click Next . Click the Have Disk... button.
Run the main BMW Scanner 1.4.0 installation setup ( setup.exe ).