Audi S5 4.2 V8 FSI 354 hp — Stage 1 file (+21 hp)
hp
Stage 1 file for Audi S5 4.2 V8 FSI 354 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Audi S5 4.2 V8 FSI 354 hp ECU
Audi S5 (2007 - B8) 4.2 V8 FSI 354 hp — premium petrol engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1909). Stage 1 chip tuning raises power from 354 to 375 hp (+21 hp, +6%) and torque from 440 to 465 Nm (+25 Nm). This engine ships with different ECU variants: Bosch MED9.1, Bosch MED9.1.x. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A petrol engine built in 2007 — the era before widespread firmware encryption, OBD flash without complications.
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 Sport is Audi's performance division, building the RS models. Audi Sport is Audi's performance division, building the RS models and supercars. The Audi community is one of the most open in Europe, with a large library of ready-made Stage files. On older-generation petrol Audi models, Stage 1 is done via OBD without bench.
The Audi community is renowned for its active tuning scene and a huge library of available Stage files. APR and Revo are the leading tuning brands for Audi, right up to Stage 1+. With a downpipe, intake and intercooler, Audi RS engines confidently reach Stage 2. APR and Revo are the leading tuning brands for top Audi engines. A Bench read is standard procedure on modern RS engines. RS engines are a proven base once supporting hardware is added (downpipe, intake and intercooler). Top-tier Audi Sport engines (RS models) sit at Audi's power ceiling; the gain is significant.
Frequently asked questions
How much horsepower does Stage 1 add for the Audi S5 4.2 V8 FSI 354 hp?
Stage 1 for the Audi S5 4.2 V8 FSI 354 hp adds +21 hp — power increases from 354 to 375 hp (+6%). Torque rises from 440 to 465 Nm (+25 Nm).
What does a Stage 1 remap of the Audi S5 4.2 V8 FSI 354 hp include?
Stage 1 chip tuning of the Audi S5 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +21 hp with no hardware changes.
What is the Stage 1 potential of the Audi S5 4.2 V8 FSI 354 hp?
On the top-spec Audi S5 4.2 V8 FSI 354 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
How much does Stage 2 add on the Audi S5?
Stage 2 for the Audi S5 4.2 V8 FSI 354 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 ECUs are found on the Audi S5 4.2 V8 FSI 354 hp?
The Audi S5 4.2 V8 FSI 354 hp was fitted with different ECUs depending on the year and trim: Bosch MED9.1, Bosch MED9.1.x. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Audi S5 warranty after chip tuning?
The factory warranty of the Audi S5 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 S5 take?
On the Audi S5 4.2 V8 FSI 354 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 S5?
Yes, the original ECU firmware of the Audi S5 4.2 V8 FSI 354 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 S5?
Stage 1 for the Audi S5 4.2 V8 FSI 354 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.