Audi A4 1.8 20V 1995 Benzin 91.9KW Bosch 0261203553 8D0907557A 358630 Stage1

Audi A4 1.8 20V 1995 Benzin 91.9KW Bosch 0261203553 8D0907557A 358630 Stage1
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ECU file for Audi A4 1.8 20V 1995 Benzin 91.9KW – Stage1 performance tuning file. ECU: Bosch 0261203553 – SW: 8D0907557A / 358630 ( 1037358630 ) – for vehicles with factory output around 91.9 kW (~125 HP).

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Technical Specifications
ManufacturerAudi
ECU SystemBOSCH
CalibrationStage 1
ECU HW / SW number0261203553 | 8D0907557A | 358630
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.

Engineer Support

Our tuning engineers are available via WhatsApp for any technical questions.

Vehicle Audi A4 1.8 20V 1995 Benzin 91.9KW
Engine power 91.9 kW (~125 HP)
Fuel type Petrol
ECU brand Bosch
ECU hardware 0261203553
ECU software ID 8D0907557A
Bosch software number 358630 ( 1037358630 )
Tuning type Stage1
Read method / notes 8D0907557A 358630

This product contains a calibrated Stage1 tuning file for Audi A4 1.8 20V 1995 Benzin 91.9KW with Bosch 0261203553 and software ID 8D0907557A (Bosch software number 358630 ( 1037358630 )). The base stock vehicle for this calibration has a factory output of around 91.9 kW (~125 HP). This Stage 1 calibration is designed for stock hardware, offering a safe and reliable increase in power and torque for daily use.

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 0261203553, 8D0907557A, 358630 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: 5C271BCF83292B5F0A3FC50652EF9E686B4555FC17CFBA58436C89D9776807F7

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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