Click and navigate to the extracted FTDI driver folder on your desktop.
Because this hardware uses an older chipset, getting it to work on modern Windows computers (Windows 10 and 11) is notoriously difficult.
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If you have the FTDI (White) cable, the scanner will often fail to connect unless you change a specific setting: bmw scanner 140 drivers
I can provide specific instructions to bypass your exact roadblock. Share public link
A: The original BMW Scanner 1.4.0 is a clone itself, not an official BMW tool. It's widely sold on eBay and Amazon. Look for the one that looks like a black plastic box with a USB port and an OBD2 connector. Avoid any cables that come with a "mini CD" and ignore the drivers on that CD.
An alternative, simpler method that some users have reported success with on Windows 10 is using the official FTDI driver: Click and navigate to the extracted FTDI driver
Go to the official FTDI Chip website. Navigate to the Drivers > D2XX Drivers section. Download the latest Windows desktop ZIP file architecture for 64-bit (x64) systems.
Hold down the key while clicking Restart in your Windows Start Menu.
In early BMWs, diagnostic data lines are split across pin 7 and pin 8 of the OBD port. Share public link A: The original BMW Scanner 1
Using Windows Update or automatic driver search will often install the wrong version (e.g., a generic CDC driver) that will fail to communicate with the car.
If you need help with the next steps, tell me your and the exact error message you see. I can provide the exact driver files or walk you through pin soldering if needed.