Have you installed ISTA 4.39.20? Share your experience in the comments below regarding the new DoIP handshake speed.
Use the free 4.39.20 for diagnostics only . Use the official version (or a dedicated programmer like Autel) for flashing DMEs or updating the BDC (Body Domain Controller). Bmw Ista- 4.39.20
Copying the PSdZData into the correct directory to allow the software to communicate with the car’s specific modules. Why Use 4.39.20 Over Older Versions? Have you installed ISTA 4
: Includes an extensive database of repair manuals, wiring diagrams, and torque specifications. Wide Compatibility and torque specifications. Wide Compatibility