Original file
Original / Factory · Petrol · 320si 173hp
BMW E90-E91- E92-E93 2.0d original file Bosch HW 0281CIB7S1 · SW 509478
BMW E90-E91- E92-E93 2.0d Turbo Petrol 130.2 kW (177 HP)2007, Turbo petrol, 130.2 kW (177 hp)
173 HP Factory calibration Stock backup file, 200 Nm, Petrol
Calibrated ECU file for 0281CIB7S1 (SW 509478). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 320si 173hp, N45B20A, 2L, Petrol. Engine #852 in our gains database.
- Power
- 173 HPfactory calibration
- Torque
- 200 Nmfactory calibration
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
-
Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
-
Match the numbers
Your read must show hardware 0281CIB7S1 and software 509478.
-
Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
-
Write it and drive
Write it back the way you read it. Not right for your car? We correct it free.
What the car needs
Required modifications: Factory, Petrol.
Hardware
- Factory hardware: no modifications required
Software / calibration
- OEM calibration restored (recovery / immobiliser / coding work)
Original files are used to revert to factory state, repair after a faulty tune, or recover an ECU before service work.
Product details
This product contains a complete original ECU backup (stock file) for BMW E90-E91- E92-E93 2.0d 2007 Turbo-Benzin 130.2KW with Bosch 0281CIB7S1 and software ID 71S7IC182A (Bosch software number 509478 ( 1037509478 )). This original file corresponds to a factory engine output of approximately 130.2 kW (~177 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 0281CIB7S1, 71S7IC182A, 509478 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
82C84C55 1F656B84 9E31374A 457FC462 C5ABAC7F 2BFC3CCB E9298A8C 9FE18D5CFrequently asked questions
How do I flash this file?
Use your preferred tuning tool (KESS, KTAG, AutoTuner, CMD, etc.) to write the file to the ECU via OBD, bench, or boot mode.
Is the checksum corrected?
Yes. Every file we sell has verified checksums — ready to flash without additional correction tools.
What if I need a revision?
Contact us via WhatsApp or the support dashboard. Revisions for the same stage are free.