I think I found something, this appears to be the right disc, Bosch brand. Check part No.s
https://www.autodoc.co.uk/bosch/6908...hYYaAqZl8P8HAQ
I wonder if Q5 discs offset is the same as the S8 D2? I know the pads are useless but the price is good for the discs. Perhaps something for us all to find out for the future?
http://www.ebay.co.uk/itm/like/222417460873