Long time since last post.
Fixed the CD changer, the HU was at fault, placing a 22RC200/65 from a pug solved that one.
Of course there are some niggles, like the colour of the LCD, or if not that, then the way the illumination works.
Ah well, you can't win them all...
My fuel gauge also cured itself, running on full tank seems to do the trick. 1.5 months and the display is accurate (almost, its a Citroen
Apart from that? Nothing. Consumption is at about 8 litres / 100 kms, city driving.