Audi A5 35 TFSI (1.5) 150 hp — Stage 1 file (+25 hp)

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Chip tuning for Audi A5 35 TFSI (1.5) 150 hp ECU

Audi A5 (2019 - F5-FL) 35 TFSI (1.5) 150 hp — premium petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1909). Stage 1 chip tuning raises power from 150 to 175 hp (+25 hp, +17%) and torque from 250 to 300 Nm (+50 Nm). ECU — Bosch MG1CS011. Flashing method: OBD or Bench depending on the unit's protection. The Bosch DQ38x TCU is calibrated with a separate file — torque limiter and shift maps for Stage 1. In the CHIPOK database: 4 configurations · 2 ECU variants. A 2019 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Audi Sport is Audi's performance division, building the RS models. Audi shares platforms with Volkswagen, Porsche, Bentley and Lamborghini within VAG. Audi's signature slogan is “Vorsprung durch Technik” (Progress through Technology). The factory calibration of Audi petrol engines is conservative, leaving headroom for Stage 1. Audi shares its ECUs and calibration algorithms with Volkswagen. Mid-range Audi turbo petrol engines are a high-volume Stage 1 subject.

On mid-range standard Audi petrol engines, Stage 1 delivers a noticeable gain. Within the VAG group, ECUs are standardised, so a single file often fits a dozen models across Audi/VW/Skoda/Seat. On Audi, Stage 1 usually fits within the standard turnaround time. In the mid segment, the Audi community is an open platform with a large library of ready-made Stage files. The factory calibration is conservative, with headroom for Stage 1 and no hardware changes. The MQB platform is the most refined chip tuning segment in Europe. Mid-range Audi engines form the backbone of the range; Stage 1 preserves engine life.

S tronic comes in dry and wet-clutch versions, each with a different torque rating. The S tronic TCU requires calibration at Stage 1+, as the torque limiter usually sits below the engine's potential. Tiptronic is Audi's classic automatic for longitudinally mounted engines.

Frequently asked questions

What is the Stage 1 effect on the Audi A5 35 TFSI (1.5) 150 hp?

Stage 1 for the Audi A5 35 TFSI (1.5) 150 hp adds +25 hp — power increases from 150 to 175 hp (+17%). Torque rises from 250 to 300 Nm (+50 Nm).

What does a Stage 1 remap of the Audi A5 35 TFSI (1.5) 150 hp include?

Stage 1 on the Audi A5 35 TFSI (1.5) 150 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 +25 hp with no hardware changes.

Is a Stage 1 remap safe for the 35 TFSI (1.5) 150 hp?

Stage 1 on the Audi A5 35 TFSI (1.5) 150 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 Audi A5 35 TFSI (1.5) 150 hp?

Stage 2 for the Audi A5 35 TFSI (1.5) 150 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

What control unit does the Audi A5 35 TFSI (1.5) 150 hp run?

The control unit of the Audi A5 35 TFSI (1.5) 150 hp is the Bosch MG1CS011. Before flashing, the engineer identifies the exact revision and selects the write method.

Does the Bosch DQ38x transmission need calibration after Stage 1 on the Audi A5?

Remapping the Bosch DQ38x gearbox is essential to fully unlock Stage 1 on the Audi A5 35 TFSI (1.5) 150 hp. Without a TCU update the factory torque cap will choke the torque gain and shifts will become noticeably softer.

Does Stage 1 void the warranty on the Audi A5?

Stage 1 on the Audi A5 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 Audi A5 35 TFSI (1.5) 150 hp done?

The full remap cycle for the Audi A5 — 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 Audi A5?

The original Audi A5 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 Audi A5 35 TFSI (1.5) 150 hp?

The cost of Stage 1 for the Audi A5 35 TFSI (1.5) 150 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno