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Repairing the BSI of a Citroen

Model: Peugeot 206 MK 1 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Onboard computer

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In this video, we will see how to desolder and then replace the board of a BSI (Body computer) in a Citroen/Peugeot. First, we need to open the BSI box, where we noticed that one of the two halves had burned out (apparently for no reason, according to the YouTuber).

Then, we will desolder all the pins connecting the two parts. Meanwhile, we will have sourced a replacement board online; there are many available on e-commerce sites, just type "BSI board for Peugeot/Citroen" and choose the one that suits our needs.

Then, we will resolder the two halves together, which is not difficult if we are capable of soldering.


Updated on 25 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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