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Original file

Original / Factory · Diesel · sDrive18d 2000 D 143hp

BMW E84 2.0d original file Bosch · SW 507453

BMW E84 2.0d Turbo Diesel 105.2 kW (143 HP)

2007, Turbo diesel, 105.2 kW (143 hp)

143 HP Factory calibration Stock backup file, 300 Nm, Diesel

Calibrated ECU file for 73S7UB124A (SW 507453). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.

Performance projection

Matched engine: sDrive18d 2000 D 143hp, N47D20, Diesel. Engine #9720 in our gains database.

04080120160 10002000300040005000 143 HP +0 300 Nm +0 HP Nm RPM 080160240320
Stock · Factory · HP (left) · Nm (right) · Curve shape typical for this ECU family
Power
143 HPfactory calibration
Torque
300 Nmfactory calibration

Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.

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 507453.

  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, Diesel.

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 E84 2.0d 2007 Turbo-Diesel 105.2KW with Bosch O and software ID 73S7UB124A (Bosch software number 507453 ( 1037507453 )). This original file corresponds to a factory engine output of approximately 105.2 kW (~143 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, 73S7UB124A, 507453 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprintD6AF01CE 82476594 1F588468 DA8623D1 537E396A D41271FE E1B8AE83 9001437F

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.