Audi A4 1.6 L Benzin 74.3KW Bosch 0261203555 8D0907557BX 355833 Original

Audi A4 1.6 L Benzin 74.3KW Bosch 0261203555 8D0907557BX 355833 Original
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ECU file for Audi A4 1.6 L Benzin 74.3KW – original ECU file (stock calibration). ECU: Bosch 0261203555 – SW: 8D0907557BX / 355833 ( 1037355833 ) – approx. 74.3 kW (~101 HP) factory engine output.

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Technical Specifications
ManufacturerAudi
ECU SystemBOSCH
CalibrationOriginal File
ECU HW / SW number0261203555 | 8D0907557BX | 355833
CHECKSUMS CORRECTED / READY TO FLASH
COMPATIBLE WITH: KESS V2/V3, MPPS, FOXFLASH, AUTOTUNER, FLEX, CMD, NEW GENIUS & OTHER PROFESSIONAL INTERFACES
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Every file is verified and checksum-corrected for safe, reliable flashing.

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Works with KESS, KTAG, AutoTuner, CMD, PCMFlash, and all major interfaces.

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Vehicle Audi A4 1.6 L Benzin 74.3KW
Engine power 74.3 kW (~101 HP)
Fuel type Petrol
ECU brand Bosch
ECU hardware 0261203555
ECU software ID 8D0907557BX
Bosch software number 355833 ( 1037355833 )
Tuning type Original
Read method / notes 8D0907557BX 355833

This product contains a complete original ECU backup (stock file) for Audi A4 1.6 L Benzin 74.3KW with Bosch 0261203555 and software ID 8D0907557BX (Bosch software number 355833 ( 1037355833 )). This original file corresponds to a factory engine output of approximately 74.3 kW (~101 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 0261203555, 8D0907557BX, 355833 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: 66F135B40357427982051D38D7F2499F0C0FD0716FD013463F73AFD2EA78D567

Frequently Asked Questions

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

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

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

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