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Original file

BMW E81-E87 2.0d original file Bosch · SW 507452

BMW E81-E87 2.0d Turbo Diesel 100 kW (136 HP)

2007, Turbo diesel, 100 kW (136 hp)

Calibrated ECU file for 73MTIB661A (SW 507452). 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 507452.

  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 E81-E87 2.0d 2007 Turbo-Diesel 100KW with Bosch O and software ID 73MTIB661A (Bosch software number 507452 ( 1037507452 )). This original file corresponds to a factory engine output of approximately 100 kW (~136 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, 73MTIB661A, 507452 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprint9BE46E05 2F544477 E524D46A 48FAD2BA C5861B51 A4EC9DF2 C5A91F2F 32C52526

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.