Lambda Part Number or source?
Discussion
If it is a 4-wire sensor (M1972)
then this should fit if IIRC: http://www.ebay.de/itm/Lambdasonde-Citroen-C5-Rege...
then this should fit if IIRC: http://www.ebay.de/itm/Lambdasonde-Citroen-C5-Rege...
Edited by twinreal on Wednesday 14th May 14:03
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