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      12-23-2010, 11:09 AM   #1
Dr. G
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Drives: Black e92 335i
Join Date: Apr 2010
Location: Brampton, Ontario

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e92 BMW 335i  [4.42]
Paint Safe Winter Washer Fluid

So I'm looking to top up my windshield washer fluid with some winter fluid that won't freeze up.

I've read that Rain-X is good, but some people say it has stained their paint and left spots on it. I then looked into Prestone De-Icer fluid and couldn't find much info on it.

Which would be the best fluid to use? Maybe just throw in something that's safe for low temps and use it only if absolutely necessary? Then drain out for summer.

Not sure if I'm over thinking this or not, but would like to hear your opinions.

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