Audi S4 4.2 V8 Petrol 253 kW (344 HP)

Audi S4 4.2 V8 Petrol 253 kW (344 HP)

£6.99

ECU file for Audi S4 4.2 V8 2005 Benzin 253KW – original ECU file (stock calibration). ECU: Bosch 0261208776 – SW: 8E0907560 / 374035 ( 1037374035 ) – approx. 253 kW (~344 HP) factory engine output.

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This product contains a complete original ECU backup (stock file) for Audi S4 4.2 V8 2005 Benzin 253KW with Bosch 0261208776 and software ID 8E0907560 (Bosch software number 374035 ( 1037374035 )). This original file corresponds to a factory engine output of approximately 253 kW (~344 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 0261208776, 8E0907560, 374035 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprint58D284D1 A4FDC94E 2B74E80C 31E1FF64 A8C86E5E DE519BB9 3EAA3904 CB7AAE6A

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.

Same engine — other calibrations

Alternative stages for the same ECU: Audi family