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Bosch · 03G906021AN 389861
Seat Altea 1.9 TDI — Bosch — 03G906021AN · 389861 — Original
Specifications
| Version | Original |
|---|---|
| Brand | Seat |
| Model | Altea |
| Engine | 1.9 TDI |
| Power | 105 ch |
| ECU manufacturer | Bosch |
| Hardware reference | 03G906021AN |
| Software version | 389861 |
| Format | Binary file (.bin) |
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Stage 1 · €55 — Stage 2 · €75 — Stage 3 · €95 — E85 · €65
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Overview
Original file for Seat Altea 1.9 TDI · Bosch · 105 hp · HW 03G906021AN · SW 389861.
File contents
- Original
Tuning potential
| Stage 1 | +23 à 28 ch → |
|---|---|
| Stage 2 | +35 à 40 ch → |
| Stage 3 | +39 à 45 ch |
Estimates based on the engine, from our calibration data. Actual gains depend on the vehicle's condition and setup.
About this file
This documented stock (Original) file for Seat Altea 1.9 TDI running the Bosch ECU matches the factory read of the ECU. It is a reliable backup before any tuning, or a clean, verified base to develop a map from.
The file is indexed on hardware reference 03G906021AN (software version 389861). Before buying, compare these references with the read from your own ECU — they must match to guarantee compatibility. In doubt, send us your read or VIN and we'll check for free.
Delivery is instant: the binary file (.bin) is available right after secure Stripe payment, with a link valid for 7 days. It is compatible with the main professional tools (Kess, KTAG, Autotuner, MPPS, Flex). Always check the file size and match before writing the ECU.
Frequently asked questions about this file
Is this file compatible with my Seat Altea 1.9 TDI?
Compatibility is determined by the ECU reference. This file matches hardware reference 03G906021AN (software version 389861). Compare it with the read from your ECU before buying; in doubt, contact us with your read or VIN.
What exactly do I get?
A tested Original file for Seat Altea, delivered as a .bin ready to use with professional tools. Contents: Contenu : Original.
How is the file delivered and installed?
After Stripe payment the .bin is available immediately (link emailed, valid 7 days). Write it with the usual professional tools (Kess, KTAG, Autotuner, MPPS, Flex). Always verify the size and reference match before flashing.
⚠️ Motorsport / private-track use
These files are supplied for motorsport and closed-circuit or private-land use only. Remapping the engine ECU may make the vehicle non-compliant with its type approval and its use on public roads may be prohibited. The customer acknowledges being solely responsible for the installation, the use of the file and its compliance with the laws and regulations of their country. No performance result is guaranteed; installation by a professional is recommended.
Other versions for this vehicle
Same ECU (389861) — pick your tune: