Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B Stage 1 K903ZN4
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Stage 1 tuning for 2.0 Boxer D — ECU-Nr. Prod: K903ZN4DT231JZ4A211B; enhanced mid-range torque & smoother shifts.
- Seller Bin
- Creation date
Stage 1 tuning for 2.0 Boxer D — ECU-Nr. Prod: K903ZN4DT231JZ4A211B; enhanced mid-range torque & smoother shifts.
Carefully remapped fuel-delivery and boost-pressure curves deliver stronger, more immediate mid-range pull while maintaining smooth drivability. Injection timing refinements reduce turbo lag and improve combustion efficiency. Ideal for spirited driving, this Stage 1 update also smooths shifts on the 6-speed manual gearbox for a refined driving experience.
Overview Feature list Copyright info Releases (1)
| Parameter | Value |
|---|---|
| Producer: | Subaru |
| Series: | Impreza |
| Model: | 2.0 Boxer D |
| Model Year: | 2010 |
| Type (Engine): | Turbo-Diesel |
| Engine Code: | — |
| Displacement: | 2.0 L |
| Gearbox: | 6M |
| ECU Maker: | Denso |
| ECU Build: | — |
| ECU-Nr. Prod: | K903ZN4DT231JZ4A211B |
| ECU-Nr. ECU: | — |
| Software: | JZ4A211B |
| SW-Version: | — |
| Checksum: | N/A |
| CPU: | Hitachi Hx |
| Eprom 8-Bit sum: | 5448 |
| Nested Versions: | 1 modified version included (Stage 1) + Original for reference |
| Project Type: | Complete binary file |
| Details: | st1 |
| Project Size: | 1 572 864 bytes |
| Read Hardware: | CMD Flash |
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition. The seller takes no responsibility for misuse or non-compliant road use.