Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B

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Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B

  • Thread starter Thread starter Bin
  • Start date Start date
  • Tagged users Tagged users None
Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B
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.

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A new product by Bin is available: Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B K903ZN4 - Stage 1 tuning for 2.0 Boxer D — ECU-Nr. Prod: K903ZN4DT231JZ4A211B; enhanced mid-range torque & smoother shifts.


Subaru Impreza 2.0 Boxer D — Denso Calibration File K903ZN4DT231JZ4A211B K903ZN4

Description​

ParameterValue
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.

Extended Product Information​

  • Boost-pressure curve optimized for faster spool-up and stronger mid-range torque
  • Fuel-injection timing refined for cleaner combustion and reduced lag
  • Torque limiter increased for enhanced acceleration feel
  • 6-speed manual gearbox shift points adapted for smoother transitions
  • Idle and part-throttle maps tuned to preserve OEM-like smoothness
  • Diagnostic routines suppressed to avoid false fault codes


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