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New Tuning File Available: Opel Astra K 1.4 Turbo Stage 1 ECU File – ACDelco 12679663 (125PS, G16032) 12679668 - Stage 1 remap for Astra K 1.4 Turbo — ACDelco 12679663 binary with smoother power delivery.
Welcome to the official discussion thread for the Opel 1.4 Turbo tuning package. This calibration is specifically developed for the Undefined ECU and optimized to work seamlessly with the 6M.
Target Performance: 125.0PS / 91.9kW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: Opel 1.4 Turbo
Welcome to the official discussion thread for the Opel 1.4 Turbo tuning package. This calibration is specifically developed for the Undefined ECU and optimized to work seamlessly with the 6M.
Target Performance: 125.0PS / 91.9kW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- Stage 1 ECU file for ACDelco 12679663 on Astra K 1.4 Turbo
- Torque demand and ignition maps optimised
- Improved part-load response and smoother throttle ramp
- No faults triggered — full emission systems and diagnostics intact
- Checksum verified via OLS810 (Delco5 module)
- Full binary file, flashable by KESSv2, Flex or MPPS
- OEM-safe calibration for daily usability
- Includes original stock file for safe fallback
➜ Download Tuning File / View Full Specs
