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Old 08-31-2012, 05:45 AM
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jfs356 jfs356 is offline
Officially Welcomed to the 'Fest
Location: Dayton, Ohio
 
Join Date: Oct 2010
Posts: 442
Mein Auto: 1994 530i
I too have a black car (Volvo), and even with soft water, I still get some light water stains on the flat surfaces (hood, top, trunk lid) after washing. I dry as quickly as possible (microfiber cloth) and typically put on a light coat of wax/quick detailer to eliminate the spots that remain. I think black paint shows water marks whether hard or soft water, if the water sits too long on the surface. Have also found that the more wax on the surface, the less water tends to stain. My E34 is Alpine White and is so much easier to wash/wax.
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