diff --git a/README.md b/README.md
index acc20c2..e6cb9ce 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ The guides are organized in the `guides` directory. Each PDF file in this direct
 - [SLI Unsupported Couontry Coding](guides/BMW_SLI_Unsupported_Country_Coding.pdf)
 - [IKON Headlights Retrofit Coding](guides/BMW_IKON_Headlights_Retrofit.pdf)
 - [CarPlay Compatibility List](guides/BMW_CarPlay_Android_Screen_Mirroring_Compatibility.pdf)
+- [PsDzData I-Step versions](guides/BMW_ISTA_PSDZData_Versions.pdf)
 ### Available Tools
 
 | Tool Name        | Description                                          |
diff --git a/guides/BMW_ISTA_PSDZData_Versions.pdf b/guides/BMW_ISTA_PSDZData_Versions.pdf
new file mode 100644
index 0000000..7deb770
Binary files /dev/null and b/guides/BMW_ISTA_PSDZData_Versions.pdf differ