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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > Hard Water spots



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      03-29-2009, 03:44 PM   #1
SonicGerm
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Hard Water spots

It rained yesterday for about two hours then the sun came out leaving me with some spots. You cant see them with the camera and you can only see them under the light at certain angles it looks like the spots are in the clear coat. Kessel AIO took most of it out however some are still there. My question is what pad, polish, and amount of pressure. should I use with a Flex to remove them?


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      03-29-2009, 04:21 PM   #2
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I was able to remove them from my fiance's old car which was a black Volvo S40 using a white CCS pad and Pinnacle XMT ultra fine swirl remover. One pass. Good luck, let us know how it turns out.
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      03-29-2009, 04:49 PM   #3
SonicGerm
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Thank you brother I'll let you know as soon as I get my flex in the mail!

Also Kessel AIO is pretty bad ass and super easy to apply!
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      03-29-2009, 05:02 PM   #4
ToadHollow
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I was able to remove mine with the use of Chemical Guys' Water Spot Remover ............ hard water spots FTL.
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      03-30-2009, 04:09 PM   #5
m3_sj
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porter cable with an orange pad and any decent compound should suffice.

i use both a rotary and a porter cable with Optimum Compound, works well for me.
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      03-31-2009, 09:41 PM   #6
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Since it's hard water spots why not spray a water/white vinegar solution, let it sit
for a bit and then wipe. I've done that to my car and it worked fine.

Disclaimer: I'm not an expert in detailing.
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      03-31-2009, 11:17 PM   #7
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Hard water spots should only require a very light polish or a water spot remover. You can leave water spots for weeks without any trouble getting them off. Really serious etching may need more, but it doesn't sound or look like that's what you have.
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      04-01-2009, 09:54 AM   #8
zaxjax
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If it just rained the water spots can't be that bad. I would use a quick detailer first, then step up to a vinegar wash. You should need to polish anything if it just happened.
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      04-01-2009, 10:02 AM   #9
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very light polish should get any hard water spots off. or just try washing it again. they shouldnt be to deep. even a glaze would help with that
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