Audi A4 45 TFSI (2.0) MHEV 265 hp — Stage 1 file (+39 hp)
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Stage 1 file for Audi A4 45 TFSI (2.0) MHEV 265 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Audi A4 45 TFSI (2.0) MHEV 265 hp ECU
Audi A4 (2018 - B9-FL) 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. A 2018 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.
Audi's petrol range is badged TFSI, and the diesel range TDI. quattro is Audi's signature all-wheel-drive system, introduced in 1980. The four rings in the Audi logo are a legacy of the 1932 Auto Union merger of Audi, Horch, DKW and Wanderer. On high-output turbo-petrol Audi engines (S models), Stage 1 delivers a confident gain.
APR and Revo are the leading tuning brands for Audi, right up to Stage 1+. Audi S models sit between the standard cars and the RS range. Within the VAG group, ECUs are standardised, so a single file often fits a dozen models across Audi/VW/Skoda/Seat. 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 much does the power of the Audi A4 45 TFSI (2.0) MHEV 265 hp increase after Stage 1?
Stage 1 for the Audi A4 45 TFSI (2.0) MHEV 265 hp adds +39 hp — power increases from 265 to 304 hp (+15%). Torque rises from 370 to 420 Nm (+50 Nm).
What does a Stage 1 remap of the Audi A4 45 TFSI (2.0) MHEV 265 hp include?
Stage 1 chip tuning of the Audi A4 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 A4 45 TFSI (2.0) MHEV 265 hp?
Stage 1 on the powerful Audi A4 45 TFSI (2.0) MHEV 265 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How much does Stage 2 add on the Audi A4?
Stage 2 for the Audi A4 45 TFSI (2.0) MHEV 265 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.
Which ECU is fitted to the Audi A4 45 TFSI (2.0) MHEV 265 hp?
The Audi A4 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 A4 warranty after chip tuning?
The factory warranty of the Audi A4 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 A4 take?
On the Audi A4 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 A4?
Yes, the original ECU firmware of the Audi A4 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 A4?
Stage 1 for the Audi A4 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.