Stage 1
Stage 1 · Petrol · 2.5i 170hp
VW Golf4 2.3 V5 2.0 Stage 1 file Bosch HW 0261206799 · 066906032A · SW 368356
Volkswagen Golf 4 2.3 V5 2.0 Petrol 125 kW (170 HP) Stage 1Petrol, 125 kW (170 hp)
170 → 190 HP +20 HP +27 Nm 12% more power
Calibrated ECU file for 0261206799 (SW 368356). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 2.5i 170hp, CBUA, 2.5L, Petrol. Engine #7647 in our gains database.
- Power
- 190 HP+20 HP from 170
- Torque
- 267 Nm+27 Nm from 240
- 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
-
Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
-
Match the numbers
Your read must show hardware 0261206799 and software 368356.
-
Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
-
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 | Volkswagen |
|---|---|
| Vehicle model | Golf4 |
| Displacement | 2.3 L |
| Fuel / Induction | Petrol |
| Factory power | 125 kW (170 HP) |
| ECU manufacturer | Bosch |
| ECU hardware | 0261206799 |
| ECU software | 368356 |
| Calibration stage | Stage 1 |
| OEM engine code | CBUA |
| 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 | 170 HP | 240 Nm | — | — |
| Stage 1 | 190 HP | 267 Nm | +20 (11.8%) | +27 |
| Stage 2 | 201 HP | 280 Nm | +31 (18.2%) | +40 |
| Stage 3 | 281 HP | 372 Nm | +111 (65.3%) | +132 |
| Stage 4 | 332 HP | 444 Nm | +162 (95.3%) | +204 |
About this calibration file
The Stage 1 calibration for the Volkswagen Golf4 2.3L Petrol 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 0261206799 and software version 368356. 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: 190 HP and 267 Nm at the crank — a gain of +20 HP (12%) and +27 Nm over the factory 170 HP / 240 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
0261206799 (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 2.3 V5 2.0 Benzin 125KW with Bosch 0261206799 and software ID 066906032A (Bosch software number 368356 ( 1037368356 )). The base stock vehicle for this calibration has a factory output of around 125 kW (~170 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 0261206799, 066906032A, 368356 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
6271D7D2 F8AA88A9 3ADD4FE8 B152AA9A 0A2F5C7B 9C7F113D C7F3EC2D 66022C96