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Citroen C11.4 HDi 41 KW

Model

Citroen C1
Variant

1.4 HDi 41 KW
Years

2005-now
Fuel

Diesel
Engine Size

1398
ECU Type

Siemens SID804/805

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

ECO Stage 1

	Original	Modified	Difference
Power (KW)	41 KW	63 KW	+22 KW
Torque (Nm)	130 Nm	184 Nm	+54 Nm

Original

Modified

Difference

Power

(KW)

41

63 +22

Torque

(Nm)

130

184 +54

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Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.