A Audi S4 4.2 V8 344hp (B6 – 2001 – 2004) makes about 364 hp and 440 Nm with Stage 1 software, compared with 344 hp and 410 Nm from the factory. That is 20 hp and 30 Nm extra.

This is a petrol engine with a displacement of 4,163 cc and engine code BBK. The engine is controlled by the Bosch ME7.1.1. The software file can be written with tools such as Alientech KESSv2, Autotuner, CMD CMDFlash and Dimsport New Trasdata.

Besides Stage 1, the following options are available for this vehicle: Anti lag, DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map and Vmax.

Frequently asked questions

How much power and torque does a Audi S4 4.2 V8 344hp gain with Stage 1?

About 20 hp and 30 Nm: from 344 hp / 410 Nm to roughly 364 hp / 440 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Audi S4 4.2 V8 344hp use?

Bosch ME7.1.1.

Which tools can read a Audi S4 4.2 V8 344hp?

Alientech KESSv2, Autotuner, CMD CMDFlash and Dimsport New Trasdata.

Which extra options are available for a Audi S4 4.2 V8 344hp?

Anti lag, DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map and Vmax.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.