Original file
Original / Factory · Petrol · 335i - N55 Twinscroll - 306hp
BMW E90-E91- E92-E93 3.0i original file Siemens · SW 777227
BMW E90-E91- E92-E93 3.0i Turbo Petrol 225.1 kW (306 HP)2006, Turbo petrol, 225.1 kW (306 hp)
306 HP Factory calibration Stock backup file, 400 Nm, Petrol
Calibrated ECU file for (SW 777227). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 335i - N55 Twinscroll - 306hp, N55B30A, 3L, Petrol. Engine #861 in our gains database.
- Power
- 306 HPfactory calibration
- Torque
- 400 Nmfactory calibration
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
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Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
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Match the numbers
Your read must show hardware 5WK93608 and software 777227.
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Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
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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 3.0i 2006 Turbo-Benzin 225.1KW with Siemens 5WK93608 (Bosch software number 777227 ( 1037777227 )). This original file corresponds to a factory engine output of approximately 225.1 kW (~306 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 5WK93608, 777227 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
424A8E01 FE1AF7CC 5F3719ED 62A40A0B 4D964CC9 469B1971 18A7D502 0E8AB8B5Frequently 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.