when bedding in you dont want to be too gentle. Try a proper bedding in procedure and see if that helps.
There is a how to here http://www.350z-uk.com/topic/18649-how-to-proper-brake-in-procedure/page__hl__bedding#entry838108
Verdict Mike, any good?
I like it but not sure its worth the money. Not a fan of Dodo shampoos. Still think best shampoo which takes into account value is Duragloss 903