ISTA stands for Integrated Service Technical Application, and is BMW and Mini Cooper official diagnostic software for dealership and independent repair shop. ISTA is used for coding, programming, and comprehensive diagnostics for all BMW and Mini Cooper vehicles. ISTA/P, or Integrated Service Technical Application/Programming, is a dealer-level diagnostic software that processes all coded, programmed, and enable-dependent control modules of BMW and Mini Cooper vehicles. ISTA/D, or Integrated Service Technical Application/Diagnostics is BMW and Mini Cooper diagnostic computer that contains service manuals for things like torque specs, tightening procedures, and how to fix and repair cars.