When ISTA D download and install the software, it is important to note about the computer configuration and the capacity of the machine. ISTA D download and computer configuration requirements Support vehicles up to the model year 2021 There is also a function to look up circuit diagrams and part locations. ISTA D is software for technicians to read errors, clear errors, activate systems, test plans, update and program. Scroll down to get the software download link and see the step-by-step instructions below. How to download this software? In this article, Eurocartool will guide you to download and install this software for FREE. ISTA D is BMW’s specialized diagnostic software with the main functions of diagnosing, reading errors, deleting bugs,… and can support basic programming. ISTA D downloads are free at Eurocartool.