Stage 1 BMW 320D E90/E91/E92/E93 2.0 Turbo-Diesel ECU Calibration File – 522657 (EDC17C41) 7CPBKF524A

Change log

  • v1.0 — 2025-06-07
    • Stage 1 remap developed for SW 522657
    • Torque, boost and fuel injection calibrated
    • DPF/EGR untouched — factory safe
    • CMD Flash compatibility validated
    • Includes original for safe rollback​

Release notes

  • v1.0 — 2025-06-07
    • Entry-level calibration for BMW 320D daily use setups
    • Emissions hardware retained and functional
    • Suitable for CMD Flash or bench flashing tools
    • Verify ECU software 522657 before writing
    • Closed-course or dyno-only usage recommended​
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