BMW E90-E91 325D 2006 Turbodiesel 145KW Bosch O 31JAE5 500774 Stage4

BMW E90-E91 325D 2006 Turbodiesel 145KW Bosch O 31JAE5 500774 Stage4
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ECU file for BMW E90-E91 325D 2006 Turbodiesel 145KW – Stage4 performance tuning file. ECU: Bosch O – SW: 31JAE5 / 500774 ( 1037500774 ) – for vehicles with factory output around 145 kW (~197 HP).

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Technical Specifications
ManufacturerBMW
ECU SystemBOSCH
CalibrationStage 4
ECU HW / SW number31JAE5 | 500774
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 BMW E90-E91 325D 2006 Turbodiesel 145KW
Engine power 145 kW (~197 HP)
Fuel type Turbo-diesel
ECU brand Bosch
ECU hardware O
ECU software ID 31JAE5
Bosch software number 500774 ( 1037500774 )
Tuning type Stage4
Read method / notes 31JAE5 500774

This product contains a calibrated Stage4 tuning file for BMW E90-E91 325D 2006 Turbodiesel 145KW with Bosch O and software ID 31JAE5 (Bosch software number 500774 ( 1037500774 )). The base stock vehicle for this calibration has a factory output of around 145 kW (~197 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 O, 31JAE5, 500774 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

hash: 945713CCA647C58BD9C78016E1598505AF4BF14E209A2CD9F6BFBCB4348F4DC1

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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