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4CMCWXDF_1ED800 SH705520N_tun

Calibration modules

4CMCWXDF_1ED800 SH705520N_tun

Nissan

$40

Categories

Tags

tun

Description

4CMCWXDF_1ED800 SH705520N_tun

Type: Tuned ECU dump (Stage / TUN)

What it is:
Modified engine calibration for chip-tuning. Typical Stage changes: reduced pedal damping, better part-load elasticity, optimized ignition and fuel maps.

Changes / content:
• Performance Stage calibration (throttle response / torque maps)

Notes:
• For professional use. Confirm ECU ID, software version and vehicle match before flashing.
• Incorrect write can damage the ECU — follow your tool’s procedure.

Legend:
• Stage / TUN — performance calibration: smoother throttle, better mid-range torque, less “turbo lag”.