I've partnered with @Olza to fine-tune his GTS conversion and develop an app that allows you to flash using an Android device.
We’ve taken the original GTS tune developed for the M3 GTS and reworked it for full compatibility with N54-powered vehicles. This includes proper calibration for final drive ratios and RPM limiters.
More recently, we made significant updates to the logic tables controlling the shift maps and speed selection. These updates account for traction control status, sport button, and shift lever positions. Previously, the GTS tune would not properly escalate to higher shift modes in S mode without this adjustment.
Flashing is done using the CAFlash DCT Android App. No license is required. The app lets you:
Main benefits of the GTS flash over stock or xHP-modified stock tunes:
Custom tuning (RPM limits, shift map tweaks, shift speed adjustments, etc.) is available at an additional cost depending on the scope of the changes.
If you're interested, send me a PM or leave a message below and I’ll get in touch.
Screenshots below show some of the app's available data and features:
We’ve taken the original GTS tune developed for the M3 GTS and reworked it for full compatibility with N54-powered vehicles. This includes proper calibration for final drive ratios and RPM limiters.
More recently, we made significant updates to the logic tables controlling the shift maps and speed selection. These updates account for traction control status, sport button, and shift lever positions. Previously, the GTS tune would not properly escalate to higher shift modes in S mode without this adjustment.
Flashing is done using the CAFlash DCT Android App. No license is required. The app lets you:
- Flash tune files to the DCT
- View and record live data
- Review transmission history (including overheating events)
- Read and clear transmission-related fault codes
Main benefits of the GTS flash over stock or xHP-modified stock tunes:
- Smoother part-throttle shifts
- Much quicker WOT shifts
- A noticeably more refined driving experience overall
Custom tuning (RPM limits, shift map tweaks, shift speed adjustments, etc.) is available at an additional cost depending on the scope of the changes.
If you're interested, send me a PM or leave a message below and I’ll get in touch.
Screenshots below show some of the app's available data and features:
