Tuning example Siemens SID803A – PSA – 2.0l Diesel

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The Citroën C8 is equipped with a 2.0l turbo Diesel engine which, in its original version, provides 100 kW of maximum power. The vehicle we analysed is equipped with a 6-speed manual gearbox and the front-wheel drive. The Alientech technicians have been able to balance the changes to the original file in order to obtain an incredible increase in performance without damaging the mechanical components!


  • Siemens SID803A
  • 2.0l HDi
  • Citroën C8, Diesel, 2007


The Citroën C8 is a reliable and versatile MPV, appreciated for its comfort. This practice of remapping will allow you to increase the cue and the delivery of the torque and power of this vehicle!

To do this, simply follow this course created by Alientech technicians. In this 20-minute video lesson you will learn the info you need to know before proceeding with the remapping, you will follow the modification procedure on the ECM Titanium software and you will evaluate the increase in performance and diagnostics after writing the modified file. All at a competitive price!


The 2.0l HDi engine mounted on this Citroën C8 is also equipped on other PSA vehicles: this course is, therefore, an excellent starting point for the tuning of vehicles equipped with the same engine and control unit considered here. Expanding the possibilities of your workshop and improving your tuning experience will be fast and easy!


Whether you are a beginner or an expert, you will be able to benefit from the information contained in the course: on one hand, you will learn to apply the remapping guaranteed by Alientech technicians, on the other hand, you will be given a good starting point to further develop the remapping procedure and create your own customized version.


Enter the world of Alientech Academy online training and take your Citroën C8 to another level of performance!


One lesson of about 20 minutes, composed by 3 sections:

First section:

in this part we will describe the characteristics of the vehicle by listing versionequipmentyear of productiontraction and type of gearbox. Then, we indicate all the vehicles – even of different car manufacturers – equipped with the same engine or similar version; immediately after, the specifications of the engine control unit will be specified in detail: that is the identification data and the versions for the emission classes. In addition, we talk about the types of connection with Alientech tools – which are useful for the remapping – by indicating the protocols of use, the available functions and giving some practical advice for editing operations. Finally, the structure of the original file is presented by indicating the addresses and the various areas.

Second section:

this part directly addresses the remapping practice. After a brief introduction, we present the summary list of the maps that will be modified, the Alientech modification method and its specific application to the vehicle in question. Following the wizard of this remapping practice, you will be able to create a mapping that will ensure high performance and guaranteed reliability.

Third section:

this last part is dedicated to the discovery of the potentialities of this remapping practice: the new increases, compared to the original settings of the vehicle in a precise and detailed chart, clarify efficaciously how this remapping practice is effective and surprising.

Tuning example Siemens SID803A – PSA – 2.0l Diesel