Jass I have found that the screenwash spray stains the arches too. :thumbdown:
I reckon I just need a product strong enough to clean away the staining without any cutting, then I will reapply the wax I normaly use , which is a DoDo wax but I cannot remember which one.
AGSRP does remove most but not the stubborn ones. Ive checked the spec of AGSRP and it does not contain any abrasives, which for me is all that I want from a polish at the moment because the rest of the car is fine. :thumbup:
I really wouldnt want to use a machine on the arches for fear of making things worse, as they are so delicate, and in any case its just these water marks that I want to remove, I dont think theres a need to cut into the arches unless there are scratch's, which at the moment luckily I do not have, at least nothing that can be seen with the naked eye.
Anyway Ive now ordered a small bottle of the DoDo Lime Lite Cleanser ( £14

)to see how it performs and will let you know. :eusa-think:
Ive not had the windows tinted yet simply because of my work pattern and getting time to go and sort it, but it's definitely on the cards m8.