Stage 3
Stage 3 · Petrol · 1.8T 20V 180hp
Audi TT 1.8 T Stage 3 file Bosch HW 0261206439 · 8N0906018BD
Audi TT 1.8 T Turbo Petrol 132.4 kW (180 HP) Stage 32003, Turbo petrol, 132.4 kW (180 hp)
180 → 297 HP +117 HP +133 Nm 65% more power
Calibrated ECU file for 0261206439. Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 1.8T 20V 180hp, AJQ, 1.8L, Petrol. Engine #717 in our gains database.
- Power
- 297 HP+117 HP from 180
- Torque
- 368 Nm+133 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 0261206439.
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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 3, Petrol.
Hardware
- Hybrid or larger turbocharger
- Upgraded high-pressure fuel pump and / or injectors
- Front-mount intercooler upgrade
- Sport / decat downpipe + free-flow exhaust
- High-flow air intake
- Uprated clutch (manual gearbox)
Software / calibration
- Custom map dialled to the installed turbo, injector and intercooler spec
- Boost, fuelling, ignition / injection timing rebuilt around the new hardware
- All safety limits (knock, EGT, lambda, rail) re-tuned to match
- Drivability and torque-by-gear shaped to match the hardware
Stage 3 is hardware-matched. Send your turbo / injector / intercooler / clutch spec at checkout so the file is calibrated to YOUR build: typical projection above is a guide, final dyno depends on installed hardware.
Vehicle & ECU specifications
Exact vehicle, engine and ECU identifiers this calibration file is written for. Cross-check against your ECU before flashing.
| Vehicle make | Audi |
|---|---|
| Vehicle model | Tt |
| Model year | 2003 |
| Displacement | 1.8 L |
| Fuel / Induction | Petrol |
| Factory power | 132.4 kW (180 HP) |
| ECU manufacturer | Bosch |
| ECU ID | 8N0906018BD |
| ECU hardware | 0261206439 |
| Calibration stage | Stage 3 |
| Cylinder capacity | 1781 CC |
| Compression ratio | 9,5 : 1 |
| Bore × Stroke | 81,0 X 86,4 mm |
| OEM engine code | AJQ |
| 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 | 180 HP | 235 Nm | — | — |
| Stage 1 | 192 HP | 310 Nm | +12 (6.7%) | +75 |
| Stage 2 | 220 HP | 350 Nm | +40 (22.2%) | +115 |
| Stage 3 | 297 HP | 368 Nm | +117 (65%) | +133 |
| Stage 4 | 351 HP | 435 Nm | +171 (95%) | +200 |
About this calibration file
The Stage 3 calibration for the 2003 Audi Tt 1.8L Petrol targets a hardware-upgraded setup — hybrid or larger turbocharger, upgraded injectors, high-flow fuelling and in most cases a full exhaust. Maps are redrawn for the new airflow envelope with re-scaled MAF/MAP, torque limiters, smoke limiters and boost PID re-tuned.
This file matches a Bosch ECU with hardware number 0261206439. 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: 297 HP and 368 Nm at the crank — a gain of +117 HP (65%) and +133 Nm over the factory 180 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
0261206439 (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 Stage3 tuning file for Audi TT 1.8 T 2003 Turbo-Benzin 132.4KW with Bosch 0261206439 and software ID 8N0906018BD. The base stock vehicle for this calibration has a factory output of around 132.4 kW (~180 HP). This high-stage file targets heavily modified setups (bigger turbo, injectors etc.) and should be used by experienced tuners only.
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 0261206439, 8N0906018BD. Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
9399764E C1A79A5E 30DF5EBE 7FC5A688 C2AFC090 AEFDBDC7 8DEFFC0F 24897A99