They put in other brake-pads (for free, under warranty) and the part number i got from them is: 425259
They worked for me
Hope this will help others too.
The weird thing is Peugeot made these to stop the squeaking. So they basicly admit the problem..? But I got a brand-new car with me (206 quicksilver: nice on the outside but the inside
First they will use the squeaky ones untiil they run out of them (well, if the keep recycling all the returns this can take a while i guess