Audi A3 2.0 TDI CR 2012 Turbo-Diesel 100KW Bosch 03L906018JL 521653 Stage1

Audi A3 2.0 TDI CR 2012 Turbo-Diesel 100KW Bosch 03L906018JL 521653 Stage1

£21.99

ECU file for Audi A3 2.0 TDI CR 2012 Turbo-Diesel 100KW – Stage1 performance tuning file. ECU: Bosch 03L906018JL – SW: 521653 ( 1037521653 ) – for vehicles with factory output around 100 kW (~136 HP).

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Technical Specifications
ManufacturerAudi
ECU SystemBOSCH
CalibrationStage 1
ECU HW / SW number03L906018JL | 521653
CHECKSUMS CORRECTED / READY TO FLASH
COMPATIBLE WITH: KESS V2/V3, MPPS, FOXFLASH, AUTOTUNER, FLEX, CMD, NEW GENIUS & OTHER PROFESSIONAL INTERFACES
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Instant Download

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 A3 2.0 TDI CR 2012 Turbo-Diesel 100KW
Engine power 100 kW (~136 HP)
Fuel type Turbo-diesel
ECU brand Bosch
ECU hardware 03L906018JL
Bosch software number 521653 ( 1037521653 )
Tuning type Stage1
Read method / notes 521653

This product contains a calibrated Stage1 tuning file for Audi A3 2.0 TDI CR 2012 Turbo-Diesel 100KW with Bosch 03L906018JL (Bosch software number 521653 ( 1037521653 )). The base stock vehicle for this calibration has a factory output of around 100 kW (~136 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 03L906018JL, 521653 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: FECF6AC94DBA35667833A36C6F7DC83E86FF3F81C7A57067D39DC14930869125

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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