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Original file

BMW E90-E91 320D original file Bosch · SW 381341

BMW E90-E91 320D Turbo Petrol 119.9 kW (163 HP)

2007, Turbo petrol, 119.9 kW (163 hp)

Calibrated ECU file for (SW 381341). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.

How it works

  1. Read your ECU

    With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.

  2. Match the numbers

    Your read must show hardware O and software 381341.

  3. Pay and download

    Card, Apple Pay or Google Pay. The file is in your account straight away.

  4. Write it and drive

    Write it back the way you read it. Not right for your car? We correct it free.

What the car needs

Required modifications: Factory.

Hardware

  • Factory hardware: no modifications required

Software / calibration

  • OEM calibration restored (recovery / immobiliser / coding work)

Original files are used to revert to factory state, repair after a faulty tune, or recover an ECU before service work.

Product details

This product contains a complete original ECU backup (stock file) for BMW E90-E91 320D 2007 Turbo-Benzin 119.9KW with Bosch O and software ID C1A942 (Bosch software number 381341 ( 1037381341 )). This original file corresponds to a factory engine output of approximately 119.9 kW (~163 HP). This file is ideal for ECU cloning, restoring the car back to stock and using it as a safe base for future remaps.

All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as O, C1A942, 381341 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprint2FA7C294 B152160F 40EEF5DE 4E8794F4 D361CBBB E399A40C B3BD52FB C21580AD

Frequently asked questions

How do I flash this file?

Use your preferred tuning tool (KESS, KTAG, AutoTuner, CMD, etc.) to write the file to the ECU via OBD, bench, or boot mode.

Is the checksum corrected?

Yes. Every file we sell has verified checksums — ready to flash without additional correction tools.

What if I need a revision?

Contact us via WhatsApp or the support dashboard. Revisions for the same stage are free.