From 173 hp to about 203 hp: the Citro�n C6 2.2 HDi 173hp (2006 – 2013) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 370 Nm to about 440 Nm.

This is a diesel engine with a displacement of 2,179 cc and engine code DW12BTED4 FAP. The engine is controlled by the Bosch EDC16C39. The software file can be written with tools such as Alientech KESSv2 and CMD CMDFlash.

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

Frequently asked questions

How much power and torque does a Citro�n C6 2.2 HDi 173hp gain with Stage 1?

About 30 hp and 70 Nm: from 173 hp / 370 Nm to roughly 203 hp / 440 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Citro�n C6 2.2 HDi 173hp use?

Bosch EDC16C39.

Which tools can read a Citro�n C6 2.2 HDi 173hp?

Alientech KESSv2 and CMD CMDFlash.

Which extra options are available for a Citro�n C6 2.2 HDi 173hp?

Adblue, EGR OFF, DTC Removal, FLAPS, DPF OFF and Vmax.

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