Stage 1
Stage 1 · Diesel · 1.9 TDI 110hp
VW Golf4 1.9 TDI Stage 1 file Bosch HW 0281001846 · 038906018BM
Volkswagen Golf 4 1.9 TDI Turbo Diesel 80.9 kW (110 HP) Stage 11998, Turbo diesel, 80.9 kW (110 hp)
110 → 140 HP +30 HP +65 Nm 27% more power
Calibrated ECU file for 0281001846. Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 1.9 TDI 110hp, AFN, 1.9L, Diesel. Engine #7608 in our gains database.
- Power
- 140 HP+30 HP from 110
- Torque
- 300 Nm+65 Nm from 235
- 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 0281001846.
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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, Diesel.
Hardware
- No hardware changes required: runs on completely stock hardware
Software / calibration
- Boost pressure optimised within factory turbo limits
- Injection timing & quantity remapped
- Smoke / EGT limiters refined
- DTCs left intact, factory safeties 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 | Volkswagen |
|---|---|
| Vehicle model | Golf4 |
| Model year | 1998 |
| Displacement | 1.9 L |
| Fuel / Induction | Turbo Diesel |
| Factory power | 80.9 kW (110 HP) |
| ECU manufacturer | Bosch |
| ECU ID | 1037356589-590 |
| ECU hardware | 177-178 |
| ECU software | 0281001846 |
| Calibration stage | Stage 1 |
| Cylinder capacity | 1896 CC |
| Compression ratio | 19,5 : 1 |
| Bore × Stroke | 79,5 X 95,5 mm |
| OEM engine code | AFN |
| 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 | 110 HP | 235 Nm | — | — |
| Stage 1 | 140 HP | 300 Nm | +30 (27.3%) | +65 |
| Stage 2 | 147 HP | 312 Nm | +37 (33.6%) | +77 |
| Stage 3 | 165 HP | 364 Nm | +55 (50%) | +129 |
| Stage 4 | 198 HP | 435 Nm | +88 (80%) | +200 |
About this calibration file
The Stage 1 calibration for the 1998 Volkswagen Golf4 1.9L Turbo Diesel 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 with hardware number 177-178 and software version 0281001846. 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: 140 HP and 300 Nm at the crank — a gain of +30 HP (27%) and +65 Nm over the factory 110 HP / 235 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
177-178 (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.Product details
This product contains a calibrated Stage1 tuning file for VW Golf4 1.9 TDI 1998 Turbodiesel 80.9KW with Bosch 0281001846 and software ID 038906018BM. The base stock vehicle for this calibration has a factory output of around 80.9 kW (~110 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 0281001846, 038906018BM. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
0561611E 33B57573 99F5B94A 0E832961 1C5C5D9B D06FEBAD 860C7C02 0F823992