ISTA/P & ISTA/D are designed to be used with an ICOM Interface, and with full ICOM-A-B-C, you can connect to older cars. Likewise, ISTA/P is the replacement for older delaership SSS Progman programming software. ISTA/D is the replacement for older dealership DIS diagnostic software. ISTA/D (aka Rheingold) is the current dealership diagnostic software for all Exx and Fxx cars. INPA and ISTA/D (Rheingold), which one better?
Between INPA and ISTA/D (Rheingold), which one is better and which one should be used for bmw E/F series diagnosis/coding/programming? Here are professional tips by experienced users.