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      02-12-2013, 05:12 PM   #18
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Drives: E90 M3, B8.5 A4
Join Date: Jul 2011
Location: San Francisco

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Originally Posted by Sandye90m3 View Post
Quick question, if there is only dust on the car from a couple of days, can't you just hose the car down and get all the dust particle off and dry it with a drying towel?

I only see the point of washing the car, if there is water spots or excess dirt, but if it's just a little bit, I'm pretty sure you can just hose it?
The stuff that settles on the car, especially if it as been outside, is not just dust. There are a lot of things in the air that settles on the car. If you hose the car, it will not remove all the dust, it will remain and just be wet dust on the car. Dust does scratch so you have to be careful.

If you want to be super careful, you want nothing to touch the paint unless it is lubed. This video gives you an idea of this technique: