Bmw | Scanner 140 Drivers
Follow these exact steps to install the software and drivers on Windows 7, 8, 10, or 11 (64-bit). Step 1: Download the Software and Drivers
The BMW Scanner 1.4.0 is a highly effective, budget-friendly diagnostic tool for older BMW chassis, including the E38, E39, E46, E53, E83, and E85. However, getting the device to work on modern operating systems is notoriously difficult. The hardware relies on an older FTDI USB-to-serial chip, which Windows 10 and Windows 11 do not automatically recognize.
Many E46Fanatics or Bimmerfest users have posted pre-configured driver packages, such as this community-compiled guide on Bimmerfest , which includes FTDI drivers and the PA Soft 1.4 executable. 2. Step-by-Step Installation Guide (Windows 10/11)
: E38 (7 Series), E39 (5 Series), E46 (3 Series), E52 (Z8), E53 (X5), E83 (X3), and E85/E86 (Z4). bmw scanner 140 drivers
Note: You do not need to connect the cable to the vehicle's OBD2 port yet; the USB port provides enough power to trigger the device detection. Part B: Navigating Device Manager
A: Your car likely has the older 20-pin round diagnostic port under the hood. The OBD2 port under the dash may not have complete access to all modules. You will need a 20-pin to OBD2 adapter .
For owners of older BMW and Mini E-series vehicles, the BMW Scanner 1.4.0 (also known as PA Soft 1.4.0) is one of the most versatile and affordable OBD2 diagnostic interfaces available. However, many users face significant challenges with its driver installation on modern Windows systems. This guide provides a complete reference to help you get the scanner working reliably with your vehicle. Follow these exact steps to install the software
If the automatic method does not work, you can force Windows to use the drivers through Device Manager.
Before plugging in your hardware, download a verified PASoft 1.4.0 software package. Most packages come bundled with a folder named Drivers or FTDI_Drivers . If your software package did not include drivers, you can download the standard D2XX architecture drivers directly from the official FTDI Chip website. Step 2: Install the PASoft Application
Navigate to the section and select VCP Drivers (Virtual COM Port). The hardware relies on an older FTDI USB-to-serial
The "long story" usually involves wrestling with Windows security settings to force-install unsigned drivers. 1. Disable Driver Signature Enforcement
This cannot be overstated: Many users have reported that updating Windows, which often includes new FTDI drivers, will immediately break the connection, forcing you to repeat the entire installation process. For a trouble-free experience, consider using a dedicated laptop or a virtual machine (like VirtualBox) running Windows XP/7 specifically for your automotive diagnostic software.
If you have the FTDI (White) cable, the scanner will often fail to connect unless you change a specific setting:
This error means the computer software cannot see the USB interface chip inside the scanner plastic housing.
The BMW Scanner 1.4.0 interfaces sold online today are almost exclusively Chinese clones. The drivers provided with them on the mini-CDs are often outdated or contain malware. It is highly recommended to download the drivers from the official chipset sources (FTDI or STC) linked above rather than using the included disc.