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Original file

Original / Factory · Diesel · 745D 300hp

BMW F01 740d original file Bosch

BMW F01 740d Turbo Diesel 225.1 kW (306 HP) Original

2011, Turbo diesel, 225.1 kW (306 hp)

300 HP Factory calibration Stock backup file, 700 Nm, Diesel

Calibrated ECU file . Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.

Performance projection

Matched engine: 745D 300hp, 448D1, 4.4L, Diesel. Engine #1048 in our gains database.

070140210280 10002000300040005000 300 HP +0 700 Nm +0 HP Nm RPM 0180360540720
Stock · Factory · HP (left) · Nm (right) · Curve shape typical for this ECU family
Power
300 HPfactory calibration
Torque
700 Nmfactory calibration

Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.

How it works

  1. Read your ECU

    With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.

  2. Match the numbers

    Your read must show hardware O.

  3. Pay and download

    Card, Apple Pay or Google Pay. The file is in your account straight away.

  4. 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, Diesel.

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.

Vehicle & ECU specifications

Exact vehicle, engine and ECU identifiers this calibration file is written for. Cross-check against your ECU before flashing.

Vehicle make BMW
Vehicle model F01 740d
Model year 2011
Fuel / Induction Turbo Diesel
Factory power 225.1 kW (306 HP)
ECU manufacturer Bosch
ECU ID 78T8-00000971-014
Calibration stage Original (Factory)
OEM engine code 448D1
File format BIN / ORI
Checksum Pre-corrected (ready to flash)
Delivery Instant download after payment

Engine performance matrix

Power, torque and fuel-economy figures for every tuning stage on this engine, sourced from the tuning-database Gains API. Values are healthy-engine crank numbers; real on-road gains vary with fuel, altitude and mechanical condition.

Engine745D 300hp Code448D1 Displacement4.4L FuelDiesel Engine ID#1048
Stage Power Torque Δ HP Δ Nm
Original / Factory 300 HP 700 Nm — —
Stage 1 340 HP 800 Nm +40 (13.3%) +100
Stage 2 357 HP 832 Nm +57 (19%) +132
Stage 3 450 HP 1085 Nm +150 (50%) +385
Stage 4 540 HP 1295 Nm +240 (80%) +595
Fuel economy gain (vs. factory map, same driving profile): combined cycle −8% , full-load cruise −12%. Diesel calibrations typically net bigger combined-cycle savings thanks to shorter duty-cycle on low-load driving.

About this calibration file

This is the factory (original) ECU calibration for the 2011 BMW F01 740d Turbo Diesel, extracted from a genuine stock control unit. Use it as a verified backup before flashing any performance tune, or as a reference when recovering an ECU from a failed write.

This file matches a Bosch ECU. Verify both identifiers in your flashing tool before writing — an ID mismatch is the most common cause of a bricked ECU. If you are unsure, upload a read of your original file via the file-request wizard and our engineers will confirm compatibility before you flash.

The file is delivered as a ready-to-flash BIN (and ORI backup where applicable) compatible with all major tools — KESS V2/V3, KTAG, AutoTuner, CMDFlash, Dimsport New Genius, MPPS, Flex, BFlash, PCMFlash, MMFlash — via OBD, bench or boot-mode as supported by your ECU family. Checksums are pre-computed and verified; no additional checksum tool is required. All files include a free revision if post-flash logs reveal a fuelling, boost or EGT issue.

Frequently asked questions

The file is written for the exact ECU hardware (Bosch) listed in the specifications. Read your ECU with any supported tool (KESS, KTAG, AutoTuner, CMD, etc.) and compare the hardware + software numbers against the ones on this page. If they match exactly, the file is a direct fit. If you're not 100% sure, upload your original read via the file-request wizard and our engineers will confirm within minutes — no cost, no obligation.

Two reasons. First, if your ECU write failed mid-flash and you need a verified stock image to recover from — this file restores the unit to the exact calibration it left the factory with. Second, if you plan to experiment with a tune and want a known-good rollback point that is guaranteed identical to a BMW dealer programming.

Instant. As soon as the payment clears, the file appears under Downloads in your account and the link is emailed to you. It does not expire: sign in and download it again whenever you need it.

Pre-corrected. Every tuning file we sell is processed through CHKSuite (our in-house checksum engine) before it reaches your download link. You can flash it directly with KESS, KTAG, AutoTuner, CMD, Dimsport or any other supported tool — no extra checksum step required. A zero-CRC write to a modern Bosch/Siemens/Delphi ECU bricks the unit, so this is non-negotiable.

Contact us on WhatsApp or through the dashboard support thread. Free revisions are included for the same stage on the same ECU — send us a live log (via VCDS, INPA, EcuConnect, OBDeleven or similar) and we'll adjust timing, boost, rail pressure or smoke limits and re-issue the file. A failed flash itself (write aborted, bricked ECU) is recoverable with our Original file and a bench tool.

Product details

This product contains a complete original ECU backup (stock file) for BMW F01 740d 2011 Turbo-Diesel 225.1KW with Bosch O and software ID 78T8-00000971-014. 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 O, 78T8-00000971-014. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprint0C661A07 5EA45F03 DAC90A15 91A0ED22 E7D3DAA2 F8297951 30380253 3041212A