...went ot dealers - they did not admit liability naturally - got a £50 off next service as a show of good faith - did not expect anything else really, so got on to a pro detailer and here it is! Note the 63 micron reading!
http://www.detailingworld.co.uk/forum/showthread.php?t=34557
enjoy!
looks cracking only a shame you had to pay for it