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[Ratty]

Quote: Originally Posted by mph

After the initial enthusiasm, I didn't wash my new Cooper for about 5 weeks. I now find the black roof of my pure silver car has marks on it – rather like water marks. I washed the roof twice with Autoglym Bodywork Shampoo Conditioner (the second time, scrubbing pretty hard) but to no avail.

I was undecided what to do next and so decided to go ahead and polish it – hoping that the marks were where the polish had been eroded. I used Autoglym Super Resin Polish – again polishing hard. This has made no difference (except perhaps that the marks are now sealed in).

The paintwork feels completely smooth, so there is no noticeable debris stuck to the paint. The silver paint appears perfect.

How do I fix this? I’m looking for the easiest way – I’m a bit nervous about using clay (?) or anything too severe on a new car.

I know I’ve been lazy but I’m disappointed this has happened on such new paintwork.

It sounds like it might be the residue from birds doppings or some form of pollution. I had a similar problem although it was on dark silver paint work. The JCW body shop buffed the surface and removed the stain, absolutely no trace. It is worth getting advise from a body shop altough a very mild paint renovator might remove it.

I would seek a proffessional opinion first before carrying out any more renovation work. Remember todays water based paint finishes are not very resilent.

Good luck.