The was the official service database used by BMW dealership technicians worldwide. Unlike a generic Haynes or Bentley manual, the TIS contains the exact procedures, torque specifications, and diagnostic steps developed by BMW engineers.
BMW TIS 12.2007: The Essential Guide for Classic Bimmer Maintenance BMW.TIS.12.2007.English.iso
Here is a deep dive into what this software is, why the 2007 version is significant, and how it is used today. The was the official service database used by