Audi RS2 2.2 1996 Turbo-Benzin 231.7KW Bosch 0261203478 8A0907551B 358289 Stage4

Audi RS2 2.2 1996 Turbo-Benzin 231.7KW Bosch 0261203478 8A0907551B 358289 Stage4
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ECU file for Audi RS2 2.2 1996 Turbo-Benzin 231.7KW – Stage4 performance tuning file. ECU: Bosch 0261203478 – SW: 8A0907551B / 358289 ( 1037358289 ) – for vehicles with factory output around 231.7 kW (~315 HP).

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Technical Specifications
ManufacturerAudi
ECU SystemBOSCH
CalibrationStage 4
ECU HW / SW number0261203478 | 8A0907551B | 358289
CHECKSUMS CORRECTED / READY TO FLASH
COMPATIBLE WITH: KESS V2/V3, MPPS, FOXFLASH, AUTOTUNER, FLEX, CMD, NEW GENIUS & OTHER PROFESSIONAL INTERFACES
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Your tuning file is available immediately after purchase — no waiting.

Checksum Safe

Every file is verified and checksum-corrected for safe, reliable flashing.

Tool Compatible

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

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Vehicle Audi RS2 2.2 1996 Turbo-Benzin 231.7KW
Engine power 231.7 kW (~315 HP)
Fuel type Turbo-petrol
ECU brand Bosch
ECU hardware 0261203478
ECU software ID 8A0907551B
Bosch software number 358289 ( 1037358289 )
Tuning type Stage4
Read method / notes 8A0907551B 358289

This product contains a calibrated Stage4 tuning file for Audi RS2 2.2 1996 Turbo-Benzin 231.7KW with Bosch 0261203478 and software ID 8A0907551B (Bosch software number 358289 ( 1037358289 )). The base stock vehicle for this calibration has a factory output of around 231.7 kW (~315 HP). This high-stage file targets heavily modified setups (bigger turbo, injectors etc.) and should be used by experienced tuners only.

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 0261203478, 8A0907551B, 358289 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: 780D98FAD6C56CEF9D3F1AEC7A56A2AF8B45BF77847D7F2E581CA9CAFD56A389

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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