BMW ISTA+, E-Sys, INPA & BMW Standard Tools Guide
BMW ISTA+, E-Sys, INPA & BMW Standard Tools: Which Software Does What? BMW diagnostics is not about one magic program. It’s a toolbox: ISTA+, E-Sys, INPA and BMW Standard Tools all play different roles. If you understand what each app is made for, choosing the right setup for your garage becomes much easier….