Stage 1
Stage 1 · Petrol · 525i 192hp
BMW E39 530D Stage 1 file Bosch · SW 090799
BMW E39 530D 142 kW (193 HP) Stage 12004, 142 kW (193 hp)
192 → 207 HP +15 HP +21 Nm 8% more power
Calibrated ECU file for (SW 090799). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 525i 192hp, 256S5, 2.5L, Petrol. Engine #971 in our gains database.
- Power
- 207 HP+15 HP from 192
- Torque
- 266 Nm+21 Nm from 245
- Fuel economy
- −8 %−12% full load
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 Bosch and software 351761.
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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: Stage 1, Petrol.
Hardware
- No hardware changes required: runs on completely stock hardware
Software / calibration
- Boost / load targets optimised within factory hardware limits
- Ignition advance refined for the running fuel grade
- Throttle response and torque request remapped
- Factory safeties (knock, lambda, EGT) preserved
Stage 1 is a software-only calibration. Compatible with stock turbo, injectors, intercooler, exhaust and clutch.
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 | E39 530d |
| Model year | 2004 |
| Factory power | 142 kW (193 HP) |
| ECU manufacturer | Bosch |
| ECU software | 090799 |
| Calibration stage | Stage 1 |
| Cylinder capacity | 2494 CC |
| Compression ratio | 10,5 : 1 |
| Bore × Stroke | 84,0 X 75,1 mm |
| OEM engine code | 256S5 |
| 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.
| Stage | Power | Torque | Δ HP | Δ Nm |
|---|---|---|---|---|
| Original / Factory | 192 HP | 245 Nm | — | — |
| Stage 1 | 207 HP | 266 Nm | +15 (7.8%) | +21 |
| Stage 2 | 219 HP | 279 Nm | +27 (14.1%) | +34 |
| Stage 3 | 317 HP | 380 Nm | +125 (65.1%) | +135 |
| Stage 4 | 374 HP | 453 Nm | +182 (94.8%) | +208 |
About this calibration file
The Stage 1 calibration for the 2004 BMW E39 530d is a drop-in remap that works on completely stock hardware — no turbo, injector, intercooler or fuel-system upgrades required. Injection timing, boost targets, rail-pressure limits and torque maps are rebalanced to extract the safe headroom the OEM leaves untouched for fleet-fuel tolerance, altitude margin and warranty buffer.
This file matches a Bosch ECU and software version 090799. 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.
Projected output on a healthy, stock-hardware example of this engine: 207 HP and 266 Nm at the crank — a gain of +15 HP (8%) and +21 Nm over the factory 192 HP / 245 Nm baseline. These numbers are sourced from our Vehicle Performance Database, which aggregates dyno results across this engine family. Real-world gains depend on fuel grade, ambient temperature, mechanical condition and intake/exhaust state.
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
Product details
This product contains a calibrated Stage1 tuning file for BMW E39 530D 2004 142KW with Bosch Bosch (Bosch software number 351761 ( 1037351761 )). The base stock vehicle for this calibration has a factory output of around 142 kW (~193 HP). This Stage 1 calibration is designed for stock hardware, offering a safe and reliable increase in power and torque for daily use.
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 Bosch, 351761 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
1C89C4BB A4898B2A 30831343 E3E3B342 F1FE8FB5 9EF006D2 8ACD9AF5 35EF1075