Bmw Inpa 301 Dis Sss And Diag Head With Instuctions Link

The Ultimate Guide to BMW Diagnostic Classics: INPA 301, DIS, SSS, and the Elusive Diag Head (With Working Instructions Link)

Diag Head Emulator

: A software bridge (e.g., DiagHead.exe ) that allows DIS to "see" your standard USB cable as a genuine BMW yellow Diagnostic Head.

• PC: A sturdy old laptop running Windows 7 32-bit (or Windows XP). Avoid Windows 11 for this legacy setup.
• The Interface: A BMW ADS interface (e.g., "Tiny ADS" or "Icom clone with ADS mode") OR a B+C Diagnostic Head (a yellow box clone). Crucially, this interface must have a physical switch for ADS/OBD.
• Cables: A "20-pin round to OBD2" adapter, plus a standard USB-to-EDIC cable.

K+DCAN Cable

To communicate with older and newer BMWs, you typically need: : For most E-series models. bmw inpa 301 dis sss and diag head with instuctions link

What is Diag Head?

1. Install EDIABAS – This is the BMW communication server. Set the correct EDIABAS.ini file to Interface = STD:OBD for a K+DCAN cable.
2. Install INPA – Copy the INPA files into the C:\EDIABAS\ folder. Configure the INPA.ini to point to EDIABAS.
3. Install USB drivers – Use the correct FTDI or CH340 driver. Set the virtual COM port to COM1 (BMW’s default) or modify OBD.ini accordingly.
4. Run DIS/SSS in a virtual machine – Most guides provide a VMware image with DIS v57 and SSS v32 pre-installed. Configure the VM’s serial port to point to the host’s COM1 (which maps to the USB cable).
5. Test with INPA – Turn the ignition on, open INPA, and select your chassis. If you see live data from the DME, your diagnostic head (cable) works.

2. The Diagnostic Head: A Bridge with Protocol Conversion