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Audi A8
S8 4.2 V8 360hp ( 360 PS / 265 kW ) — Tuning File

360 PS stock power · D2 - 1999 - 2003 (1999-2003) · Gasoline
Vehicle Data
BrandAudi
ModelA8
GenerationD2 - 1999 - 2003
Year1999-2003
FuelGasoline
Displacement4,172.0 L
Engine CodeAQH
ECUBosch ME7.1.1
Stock Power360 PS
Stock Torque430 Nm
Tuning Potential
STAGE1
374 PS +14
Power
448 Nm +18
Torque
+14 PS
Gain
STAGE2
380 PS +20
Power
455 Nm +25
Torque
+20 PS
Gain
Available Options
Exhaust flaps open Lambda OFF Pop & Bang Start Stop OFF Vmax OFF
ECU Remap — Audi A8 S8 4.2 V8 360hp ( 360 PS / 265 kW )

The Audi A8 S8 4.2 V8 360hp ( 360 PS / 265 kW ) (Gasoline, 360 PS) can be tuned with a Stage 1 ECU remap to 374 PS — a gain of +14 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the Audi A8 S8 4.2 V8 360hp ( 360 PS / 265 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the S8 4.2 V8 360hp ( 360 PS / 265 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the S8 4.2 V8 360hp ( 360 PS / 265 kW )?
Stage 1 brings the S8 4.2 V8 360hp ( 360 PS / 265 kW ) from 360 PS to 374 PS — a gain of +14 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Audi A8?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the Audi A8 are delivered within 1–3 hours after uploading your original file.

Order Tuning File for Audi A8

Upload your original file — we deliver the right tuning file for your S8 4.2 V8 360hp ( 360 PS / 265 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

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