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Original file

Original / Factory · Diesel · 116D 116hp (1995cc)

BMW E81-E87 2.0d original file Bosch · SW 507453

BMW E81-E87 2.0d Turbo Diesel 84.6 kW (115 HP) Original

2011, Turbo diesel, 84.6 kW (115 hp)

116 HP Factory calibration Stock backup file, 260 Nm, Diesel

Calibrated ECU file for 73S7IB163A (SW 507453). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.

Performance projection

Matched engine: 116D 116hp (1995cc), N47D20, 2L, Diesel. Engine #775 in our gains database.

0306090120 10002000300040005000 116 HP +0 260 Nm +0 HP Nm RPM 060120180240
Stock · Factory · HP (left) · Nm (right) · Curve shape typical for this ECU family
Power
116 HPfactory calibration
Torque
260 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 and software 507453.

  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 E81 E87
Model year 2011
Fuel / Induction Turbo Diesel
Factory power 84.6 kW (115 HP)
ECU manufacturer Bosch
ECU hardware 73S7IB163A
ECU software 507453
Calibration stage Original (Factory)
Cylinder capacity 1995 CC
Compression ratio 16,5 : 1
Bore × Stroke 84,0 X 90,0 mm
OEM engine code N47D20
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.

Engine116D 116hp (1995cc) CodeN47D20 Displacement2L Capacity1995 CC Compression16,5 : 1 Bore × Stroke84,0 X 90,0 mm FuelDiesel Engine ID#775
Stage Power Torque Δ HP Δ Nm
Original / Factory 116 HP 260 Nm — —
Stage 1 139 HP 317 Nm +23 (19.8%) +57
Stage 2 146 HP 330 Nm +30 (25.9%) +70
Stage 3 174 HP 403 Nm +58 (50%) +143
Stage 4 209 HP 481 Nm +93 (80.2%) +221
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 E81 E87 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 with hardware number 73S7IB163A and software version 507453. 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 73S7IB163A (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 E81-E87 2.0d 2011 Turbo-Diesel 84.6KW with Bosch O and software ID 73S7IB163A (Bosch software number 507453 ( 1037507453 )). This original file corresponds to a factory engine output of approximately 84.6 kW (~115 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, 73S7IB163A, 507453 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.

SHA-256 fingerprintA9AE0D64 C6F1795D 69C9D849 C75815A9 F6BF70F4 49F17DC0 6E0C4ABC FBBBC9C6