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stains

  1. Water stains remain after wash, clay.....

    E39 M5 and E52 Z8 Discussion
    Hi guys. I previously searched your guys methods to remove water stains/spots and just tried to remove them on my truck. I washed the car, clayed the hood, washed and they were still there (a little better). How many times do you need to clay the surface? Do you wash, clay, wash, clay...
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