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VW Golf 1.4 TSI Stage 1 file Bosch MED17.5.1 HW 0261201768 · 03C906032C · SW 389472
Turbo petrol · 150 hp (110 kW)
Choose your file
Dyno sheet
- Power
- 175 hp +25
- Torque
- 320 Nm +70
Typical crank figures for a healthy 1.4 TSI ACT. Results depend on the car's condition, fuel and parts.
- Power
- 150 hp 110 kW
- ECU
- Bosch MED17.5.1
- Engine
- 1.4 TSI ACT Turbo petrol · 1,395 cc · 4 cyl
- File
- 256 KB BIN, ready to write
Bosch MED17.5.1 on the VW Golf 1.4 TSI
Software and hardware
- Hardware
- 0261201768 Bosch's number for the ECU itself, on its label printed 0 261 201 768
- Part number
- 03C906032C Volkswagen's part number for this ECU, printed 03C 906 032 C
- Software
- 389472 (1037389472) The software inside: your read must show this number
How the Bosch MED17.5.1 is read: OBD, Bench and Boot
Older tools
Built on request for the VW Golf 1.4 TSI
- Catalyst off
- DTC off
- Speed limiter (Vmax) off
- Start/stop off
- Pops and bangs
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- Read the file on your computer
- Look for it in our files
- Upload it, kept private
- Compare it with this file
From read to write
- Read the ECUKeep the read: it is your way back.
- Match the numbershardware 0261201768, part number 03C906032C and software 389472
- Pay and downloadThe file is in your account straight away.
- Write it backThe way you read it. Not right for your car? We correct it free.
Before you write the file
- A battery charger on the car: a write takes minutes and the voltage must not drop.
- Your own read saved twice, on two different drives: it is your way back.
- Your read shows hardware 0261201768, part number 03C906032C and software 389472 (1037389472), the same as this file.
- Fault codes read and noted before the write, and cleared after it.
- The same tool and connection (OBD and bench) you read the ECU with.
About this file
What this Stage 1 file is
This is a Stage 1 tune of the factory calibration of the VW Golf 1.4 TSI (110 kW, 150 hp), for its Bosch MED17.5.1 ECU with hardware 0261201768, part number 03C906032C and software 389472 (1037389472). Stage 1 is software only: the car keeps its standard turbo, injectors, intercooler and exhaust.
Stage 1 on the 1.4 TSI ACT raises the boost, sets the ignition and the fuelling to match and lifts the torque limits, within what the standard turbo and fuel pump hold. It wants the fuel octane the car was made for, or better.
The VW Golf 1.4 TSI carries the 1.4 TSI ACT engine, 150 hp and 250 Nm from the factory. On this engine, Stage 1 usually gives about 175 hp and 320 Nm (+25 hp, +70 Nm). Typical figures for a healthy engine: your car's own result depends on its condition, fuel and parts.
For software 389472 of the VW Golf 1.4 TSI we sell the original and Stage 1, each made from the same original read. Every file downloads straight after payment.
The Bosch MED17.5.1 ECU in this car is read and written over OBD and on the bench, with tools such as Alientech KESS3, Autotuner, MagicMotorsport FLEX, CMD Flash, Dimsport New Genius and Alientech Kess V2. Keep your own read: compare its hardware and software numbers with the ones on this page before you write the file.
The same 1.4 TSI ACT engine with the same ECU is fitted to the Audi A1 8X, Audi A3 8V, Audi A3 8V FL, Audi A4 B9, Audi A5 B8 FL, Audi Q2, Audi Q3 8U and Audi Q3 8U FL: their file can be the same, so check the software number of your read.
Catalyst off, DTC off, speed limiter (Vmax) off, start/stop off and pops and bangs can be added to this file on request, for off-road and competition use: send us your read through our file service and our engineers add them (any file £50, from £30 in packs).
Hardware 0261201768 is the number on the Bosch ECU's label. Software 389472 (1037389472) is the calibration inside it: a read with hardware 0261201768 and another software number needs a different file. Part number 03C906032C is the car maker's number for this ECU.
Questions
Which ECU does this VW Golf 1.4 TSI Stage 1 file fit?
A Bosch MED17.5.1 ECU with hardware 0261201768, part number 03C906032C and software 389472 (1037389472). Check those numbers in your read before you write it; another software number needs another file, which our engineers can build from your read.
How is the Bosch MED17.5.1 read and written?
Over OBD and on the bench, with tools such as Alientech KESS3, Autotuner, MagicMotorsport FLEX, CMD Flash and Dimsport New Genius. Write the file back the same way you read the ECU, and keep your original read.
What does Stage 1 give on the VW Golf 1.4 TSI?
Usually about 175 hp and 320 Nm against 150 hp and 250 Nm stock (+25 hp, +70 Nm). Typical for a healthy engine, never a promise for one car.
Can you add catalyst off to the Bosch MED17.5.1 file?
Yes, on request, for off-road and competition use: catalyst off, DTC off, speed limiter (Vmax) off, start/stop off and pops and bangs. Upload a read through our file service and an engineer builds it (any file £50, from £30 in packs). The buyer is responsible for using it where the law allows.
What exactly is in the download?
A BIN file of 256 KB, ready to write. Write it with the same tool and the same connection you read the ECU with.
How do I get the file after paying?
It is in your account as an instant download straight after payment by card, Apple Pay or Google Pay: the BIN file, ready to write.
What if the file does not fit my car?
Send us your read and we correct it free, as many times as it takes. Questions before you buy are answered by a tuner on WhatsApp.
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