Seat tuning firmware offers ECU remaps including Stage 1, Stage 2 and Stage 3, with features like DPF/EGR/AdBlue off. All solutions are developed using databases from leading WinOLS resellers.

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Ibiza 1.2 TSI CJZC — MED17.5.25 551368 Bosch — ECU Files
Seat Stage 1 Tuning Pack — ECU: 04E906027BB / SW: 551368 — A full package for your 1.2 TSI with a ~130Hp tune, Vmax off, and an aggressive Pop & Bang option.
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Latest version
04E906027BB
Updated
Ibiza Cupra D 1.9 TDI pd — EDC15P+ 378813 Bosch — ECU Tune
Seat Stage 2 — ECU: 0281012668 / SW: 378813 — A high-performance tune targeting ~205hp & 440Nm, designed for the legendary 1.9 TDI PD engine.
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Latest version
0281012668
Updated
Leon 1.8 TSI CDAA — MED17.5 502078 Bosch — ECU File
Seat — ECU: 0261S04515 / SW: 502078 — A verified original (stock) ECU file, essential for vehicle restoration, diagnostics, or as a base for custom tuning.
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Latest version
0261S04515
Updated
Leon Cupra R 1.8T 20V — ME7.5 367220 Bosch — Calibration File
Seat Stage 1 — Prod: 1ML906032A / SW: 367220 — A classic performance tune for the legendary 1.8T engine, designed to increase boost and sharpen response.
0.00 star(s) 0 ratings
Latest version
0261208221
Updated
Leon Cupra 2.0 TFSI — MED9.1 386637 Bosch — Calibration File
Seat Stage 1 & Stage 2 — Prod: 1P0907115C / SW: 386637 — A complete performance package, from a powerful daily tune to an aggressive track-focused remap.
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Latest version
0261S02724
Updated
Leon Cupra 2.0 TFSI CDLA — MED9.1 502834 Bosch — ECU Files
Seat Stage 1 — Prod: 1P0907115AC / SW: 502834 — A thrilling performance tune designed to sharpen throttle response and deliver a powerful, engaging drive.
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Latest version
0261S02724
Updated
Leon 2.0 TDI CR CUPA — EDC17C64 539136 Bosch — ECU Firmware
Seat Stage 1 — Prod: 04L906021EL / ECU: 04L907309D — A high-performance diesel tune to unleash impressive torque and acceleration for a true hot-hatch feel.
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Latest version
04L907309D
Updated
Leon 1.4 TSI CZCA — MED17.5.25 006816 Bosch — Remap File
Seat Stage 1 — Prod: 04E906027HB / SW: 006816 — A dynamic and responsive tune designed to sharpen the throttle feel and improve overall performance.
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Latest version
04E906027HB
Updated
Leon 2.0 TDI PPD — PPD1.2 SN100L6000000 Siemens — ECU Tune
Seat Stage 2 (DPF Off) — Prod: 03G906018GP / SW: SN100L6000000 — A high-performance tune for off-road use, delivering maximum power and torque.
0.00 star(s) 0 ratings
Latest version
03G906018GP
Updated
Leon 1.8 TSI DSG7 — DQ200 MQB 0003 Temic — Tune File
Seat Stage 1 — TCU: 0CW300041G / SW: 0003 — A professional DSG tune for faster shifts, improved clutch performance, and optimized torque limits.
0.00 star(s) 0 ratings
Latest version
0CW300041G
Updated
Leon 1.4 TSI CAXC — MED17 513998 Bosch — Calibration File
Seat Stage 1 — ECU: 03C906016AP / SW: 513998 — A dynamic tune to enhance throttle response and unlock the top speed limiter for a much sportier drive.
0.00 star(s) 0 ratings
Latest version
03C906016AP
Updated
Altea 1.6 TDI CR — PCR2.1 SM2F0L9500000 Siemens — ECU Files
Seat Stage 1 — Prod: 03L906023LF / ECU: 03L906023KL — A professional tune to improve everyday drivability, providing better torque and fuel efficiency.
0.00 star(s) 0 ratings
Latest version
03L906023KL
Updated
Seat Alhambra 2.0 TDI CR ECU File – EDC17C64 04L906016BL SW 001582
Stage-2 diesel suite with DPF/EGR/AdBlue deletes, Readiness Pass & start-stop OFF for Bosch EDC17C64.
0.00 star(s) 0 ratings
Latest version
04L906016BL
Updated
Seat Alhambra 2.0 TDI CR ECU File | EDC17C64 | SW 001582
Stage-2 diesel bundle with DPF/EGR/AdBlue deletes, Readiness Pass & start-stop OFF for Bosch EDC17C64.
0.00 star(s) 0 ratings
Latest version
04L906016BL
Updated
Seat Alhambra II 2.0 TDI CR ECU File – Software 563912 EDC17C46
Stage 1 with AdBlue OFF for Seat Alhambra II 2.0 TDI CR 140PS – Bosch EDC17C46, SW 563912
0.00 star(s) 0 ratings
Latest version
9978
Updated
Seat Alhambra 2.0 TDI CR ECU Tuning File – Software 004111 EDC17C64
Stage 1 performance upgrade for Seat Alhambra 2.0 TDI CR 150PS – Bosch EDC17C64, SW 004111
0.00 star(s) 0 ratings
Latest version
1623
Updated
Seat Leon Cupra 1.8T 20V 2002 Bosch ME7.5 Software 360646
Stage 1 optimized calibration for Seat Leon Cupra 1.8T (ME7.5, SW 360646) — refined for performance and response
0.00 star(s) 0 ratings
Latest version
0261207440
Updated
Seat Leon Cupra 2.0 TSI DSG7 TCU File – DQ381 0GC300014B (Optimized Shifts + Torque Unlock)
Stage 2 TCU remap for Seat Leon Cupra DSG7 DQ381 — aggressive shifts, torque limiter off and faster response
0.00 star(s) 0 ratings
Latest version
2403
Updated
Seat Ibiza 1.4 TSI & 2 ECU Tuning File – MED17.5.5 527699 (Complete Binary)
Dual-stage ECU tuning for Seat Ibiza 1.4 TSI — improved throttle response, boost and drivability
0.00 star(s) 0 ratings
Latest version
03C906027AD
Updated
Seat Leon 2.0 TDI 170hp + Vmax + DPF EGR Off ECU Tuning File – EDC17C46 560975
Advanced Stage 1 + Vmax remap for Seat Leon 2.0 TDI 170hp — DPF, EGR, DTC off + dyno-tested performance boost
0.00 star(s) 0 ratings
Latest version
03L906018FJ
Updated