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Audi S7 S7 2.9 Bi-Turbo (US)

Name: Audi S7 S7 2.9 Bi-Turbo (US) chip tuning
Brand: Audi
Price: 100.00 EUR
Availability: InStock

C8 (2017–present) · 444 hp

Stage 1

E85

E85 + Stage 1

	Original	After tuning	Diff
Power hp	444	520	+76
Torque Nm	600	800	+200

Power gain

+17%

Torque gain

+33%

Ready to feel these +76 hp on the road?

Get your ready-to-flash Stage 1 file for the Audi S7

Order tuning file →

Stage 1 file from €100

Exact price depends on the ECU — confirmed when you upload the file

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Power graph / Stage 1

PowerTorqueStock

	Original	After E85	Diff
Power hp	444	465	+21
Torque Nm	600	630	+30

E85 adaptation (no Stage 1)

Just the fuel switch: the ECU is adapted to run Superéthanol E85 (up to 85% bio-ethanol) with no Stage 1 chip on top. You get a small power bump from ethanol's higher octane (~104 RON) and a much cheaper fill-up. Flex Fuel file: the car still runs on regular petrol whenever you want.

Save €3 012 a year at the pump

Get your E85 adaptation file for the Audi S7

Order tuning file →

File from €100

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Fuel cost — E85 vs petrol −46%

Petrol · 100 km

~~20.7 L~~ · €43.47

E85 · 100 km

25.8 L · €23.39

You save ≈ €20.08 every 100 km — about €3 012 a year (over 15 000 km)

E85 uses ≈ +25% more litres, but the pump price (€0.906/L vs €2.098/L, France average on November 3, 2026) more than makes up for it.

🇫🇷 Version française : conversion éthanol E85 de la Audi S7, calculateur d'économies par département →

	Original	After E85 + Stage 1	Diff
Power hp	444	560	+116
Torque Nm	600	875	+275

E85 + Stage 1 remap

Chip tuning re-optimised for Superéthanol E85: the ignition and boost maps are calibrated to make full use of ethanol's higher octane (~104 RON). Bigger power and torque gains than either Stage 1 on petrol or E85 adaptation alone, plus the same cheap fill-up.

+116 hp and €3 012/year saved — both

Get your E85 + Stage 1 file for the Audi S7

Order tuning file →

File from €100

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Fuel cost — E85 vs petrol −46%

Petrol · 100 km

~~20.7 L~~ · €43.47

E85 · 100 km

25.8 L · €23.39

You save ≈ €20.08 every 100 km — about €3 012 a year (over 15 000 km)

E85 uses ≈ +25% more litres, but the pump price (€0.906/L vs €2.098/L, France average on November 3, 2026) more than makes up for it.

🇫🇷 Version française : conversion éthanol E85 de la Audi S7, calculateur d'économies par département →

Original ECU files for Audi S7 Stock (ORI) files of this model · €20 per file →