Seat Exeo 1.8 TSI / TFSI 120 hp — Stage 1 file (+90 hp)

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Chip tuning for Seat Exeo 1.8 TSI / TFSI 120 hp ECU

Seat Exeo (2009) 1.8 TSI / TFSI 120 hp — mass-market petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Испания, 1950). Stage 1 chip tuning raises power from 120 to 210 hp (+90 hp, +75%) and torque from 230 to 320 Nm (+90 Nm). This engine ships with different ECU variants: Bosch MED17.5, Bosch MED17.5.2. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. The 2009 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

Seat is a Spanish carmaker from Barcelona, founded in 1950. TSI is Seat's petrol turbo engine designation, shared with VW. FR is Seat's sporty trim package, the equivalent of VW's GTI-Line. The MQB platform allows ECU commonality with Volkswagen, Audi and Skoda.

On Seat, Stage 1 usually fits within the standard turnaround time. Within the VAG group, ECUs are standardised, so Seat files often work on VW/Audi/Skoda. The Seat community benefits from a large pool of Stage files drawn from the shared VAG catalogue. The Seat community in Southern Europe offers a large pool of ready-made Stage files. Mid-range Seat engines form the backbone of the range; Stage 1 preserves engine life. The MQB platform is the most refined chip tuning segment in Europe.

Frequently asked questions

What is the Stage 1 effect on the Seat Exeo 1.8 TSI / TFSI 120 hp?

The Stage 1 gain for the Seat Exeo 1.8 TSI / TFSI 120 hp is 90 hp (+75%) over the stock 120 hp, for a total of 210 hp. Torque rises from 230 to 320 Nm (+90 Nm).

What is Stage 1 chip tuning for the Seat Exeo?

Stage 1 on the Seat Exeo 1.8 TSI / TFSI 120 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +90 hp with no hardware changes.

Is a Stage 1 remap safe for the 1.8 TSI / TFSI 120 hp?

Stage 1 on the Seat Exeo 1.8 TSI / TFSI 120 hp is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.

How does Stage 2 differ from Stage 1 on the Seat Exeo 1.8 TSI / TFSI 120 hp?

Stage 2 on the Seat Exeo 1.8 TSI / TFSI 120 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

How many ECU variants does the Seat Exeo 1.8 TSI / TFSI 120 hp have?

The Seat Exeo 1.8 TSI / TFSI 120 hp has 2 ECU variants: Bosch MED17.5, Bosch MED17.5.2. Before flashing you need to read the specific unit — calibration is done for the exact hardware/software.

Does Stage 1 void the warranty on the Seat Exeo?

Stage 1 on the Seat Exeo voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Seat Exeo 1.8 TSI / TFSI 120 hp done?

The full remap cycle for the Seat Exeo — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Seat Exeo?

The original Seat Exeo ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Seat Exeo 1.8 TSI / TFSI 120 hp?

The cost of Stage 1 for the Seat Exeo 1.8 TSI / TFSI 120 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno