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Warning: RomRaider is intended for use only by experienced tuners who understand the consequences. As with any tuning solution, the potential for engine damage is very high when altering your ECUs hard coded values. The use of appropriate equipment (ie, knock sensor, wideband oxygen sensor) is extremely important. By downloading RomRaider, you agree to assume all risks and accept its license. Use at your own risk.

Download RomRaider 0.9.4 (2022–05–23)

The latest release of RomRaider is available for Windows and Other Platforms. Both variants are installers (ZIP archives also available - see below) and require a 32bit (i586|x86) version of Java SE JRE 8 to already be installed. Or an alternate Open JRE (6 thru 11) installation such as Eclipse Temurin™

Windows ZIP | Linux ZIP

This version of RomRaider does NOT ship with ECU, Logger or Cars definitions. You are required to download and install these definitions in order for RomRaider to be completely functional. You can find the latest ECU definitions HERE, the latest Logger definitions HERE and the Cars definition for the Dyno tab HERE.

Archived versions on Github can be found HERE | Archived versions on Assembla can be found HERE

Release Notes

This is the latest version of RomRaider from the GitHub repo (Please read the change list carefully!).

Known Issues


  • Gauge min/max/step limits incomplete in logger.xml
  • ECU connections under Linux are flaky (start the logger after you’ve started the engine)
  • Update latency via injector tab broken for some models (eg. 2007 2.5i)
  • Switching between SSM, OBD, DS2 and NCS protocol mode may not update the parameter list completely. A Logger restart will update the list correctly

Git bug list

Operational Notes

  • Since RomRaider relies on various externally provided classes and vendor libraries, the 64bit Java VM is not supported. The RomRaider installer and Editor will issue warnings if a 64bit Java VM is detected and advise the user to uninstall it and install the 32bit Java VM. It is unlikely that 64bit Java VM will even be supported as all external classes and vendor libraries must be compiled for native 64bit operation.
  • To log External sensors only, un-select both the ECU and TCU checkbox on the Logger control bar. Then switch to the Externals tab and check the items to be logged. The log Externals only setting is not retained between logging sessions.
  • The use of ISO15765 requires a J2534 compliant cable. Since the J2534 specification only defines Windows 32bit systems as a valid platform, Linux systems are not officially supported. An alpha J2534 Openport 2.0 driver is provided. Driver history is here.
Download RomRaider ECU and Logger Definitions

The latest RomRaider ECU and logger definitions, which may be updated independently of the software, can be found here: ECU definitions and Logger definitions and Cars definition for the Dyno tab. Definition updates can include additional table, parameter and ROM support as well as important bug fixes and other improvements.


RomRaider Forums

Join our forums, the best place to find help and answers!


RomRaider is developed and supported by volunteers working on their own time. To support their efforts please consider making a donation.

Page last modified on May 23, 2022, at 07:56 PM
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