R-Tune PB 2.0.0 is free to download from our software library. R-Tune PB belongs to System Utilities. This free tool was originally designed by Racedynamics India Pvt. Ltd.
From the developer:
The PowerTRONIC-PB is a piggyback ECU, which plugs into the original vehicle harness to control the primary parameters of an EFI system - fuel injection and ignition control system. These controls are adjusted based on the many user-programmable parameters of load, RPM, transients, etc.
You may want to check out more software, such as PB/CC, PBS or PB/Win, which might be related to R-Tune PB.