Audi Q5 45 TFSI (2.0) MHEV 265 hp — Stage 1 file (+39 hp)

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Chip tuning for Audi Q5 45 TFSI (2.0) MHEV 265 hp ECU

Audi Q5 (2017 - FY) 45 TFSI (2.0) MHEV 265 hp — premium petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1909). Stage 1 chip tuning raises power from 265 to 304 hp (+39 hp, +15%) and torque from 370 to 420 Nm (+50 Nm). ECU — Siemens/Continental Simos19.7. Flashing method: OBD or Bench depending on the unit's protection. The 2017 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

The Audi community is one of the most active in Europe for chip tuning. The e-tron line is Audi's EV range within the VAG group. Audi is part of the Volkswagen Group (VAG), Europe's largest automotive group. Audi shares its ECUs and calibration algorithms with Volkswagen. The factory calibration of Audi petrol engines is conservative, leaving headroom for Stage 1. The Audi community is one of the most open in Europe, with a large library of ready-made Stage files.

The Audi community is renowned for its active tuning scene and a huge library of available Stage files. Within the VAG group, ECUs are standardised, so a single file often fits a dozen models across Audi/VW/Skoda/Seat. APR and Revo are the leading tuning brands for Audi, right up to Stage 1+. Audi S models are the milder performance step between the standard cars and the RS range. The premium Audi segment runs a high-output platform with Stage 2 potential. High-output Audi engines sit in the premium segment, with solid headroom for Stage 1.

Frequently asked questions

How many horsepower does the Audi Q5 45 TFSI (2.0) MHEV 265 hp reach after a remap?

After Stage 1 the power of the Audi Q5 45 TFSI (2.0) MHEV 265 hp rises from 265 to 304 hp, a gain of 39 hp (+15%). Torque rises from 370 to 420 Nm (+50 Nm).

How does Stage 1 differ from stock on the Audi Q5?

Stage 1 chip tuning of the Audi Q5 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +39 hp with no hardware changes.

Is Stage 1 safe on the high-output Audi Q5 45 TFSI (2.0) MHEV 265 hp?

The high-output Audi Q5 45 TFSI (2.0) MHEV 265 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

How much does Stage 2 add on the Audi Q5?

Stage 2 on the Audi Q5 45 TFSI (2.0) MHEV 265 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECU is fitted to the Audi Q5 45 TFSI (2.0) MHEV 265 hp?

The Audi Q5 45 TFSI (2.0) MHEV 265 hp ECU is the Siemens/Continental Simos19.7. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the Audi Q5 warranty after chip tuning?

The factory warranty of the Audi Q5 does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Audi Q5 take?

On the Audi Q5 45 TFSI (2.0) MHEV 265 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Audi Q5?

Yes, the original ECU firmware of the Audi Q5 45 TFSI (2.0) MHEV 265 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Audi Q5?

Stage 1 for the Audi Q5 45 TFSI (2.0) MHEV 265 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno