Original file
Original / Factory · Diesel · 2.0 TDI CR 143hp
Audi A3 2.0 TDI CR original file Bosch · 03L906022BQ · SW 398757
Audi A3 2.0 TDI CR Turbo Diesel 103 kW (140 HP)2010, Turbo diesel, 103 kW (140 hp)
143 HP Factory calibration Stock backup file, 320 Nm, Diesel
Calibrated ECU file for 03L906022BQ (SW 398757). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 2.0 TDI CR 143hp, CRFC, 2L, Diesel. Engine #243 in our gains database.
- Power
- 143 HPfactory calibration
- Torque
- 320 Nmfactory calibration
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
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Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
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Match the numbers
Your read must show hardware 03L906022BQ and software 398757.
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Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
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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 Audi A3 2.0 TDI CR 2010 Turbo-Diesel 103KW with Bosch 03L906022BQ (Bosch software number 398757 ( 1037398757 )). This original file corresponds to a factory engine output of approximately 103 kW (~140 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 03L906022BQ, 398757 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
68C02318 42E0F685 2AFFEE4E D3098E10 46BCBC21 C0C918FF A8850672 7A7D0C1AFrequently 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.