From 350 hp to about 400 hp: the Audi A8 4.2 TDI 350hp (D4 – 2010 – 2016) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 800 Nm to about 950 Nm.

This is a diesel engine with a displacement of 4,134 cc and engine code CDSB. The engine is controlled by the Bosch EDC17CP44 and Bosch EDC17CP24, the gearbox by the ZF AL551. The software file can be written with tools such as Alientech K-TAG, Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox and 5 more.

Besides Stage 1, the following options are available for this vehicle: Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, DPF OFF and Vmax.

Frequently asked questions

How much power and torque does a Audi A8 4.2 TDI 350hp gain with Stage 1?

About 50 hp and 150 Nm: from 350 hp / 800 Nm to roughly 400 hp / 950 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Audi A8 4.2 TDI 350hp use?

Bosch EDC17CP44 and Bosch EDC17CP24 (engine); ZF AL551 (gearbox).

Which tools can read a Audi A8 4.2 TDI 350hp?

Alientech K-TAG, Alientech KESS3, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash, MagicMotorsport Flex, Dimsport New Genius, Dimsport New Trasdata and PCM-Flash.

Which extra options are available for a Audi A8 4.2 TDI 350hp?

Adblue, EGR OFF, DTC Removal, START/STOP OFF, FLAPS, DPF OFF and Vmax.

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