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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > Keeping a car outdoors - suggestions

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      10-24-2010, 09:49 AM   #1
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Keeping a car outdoors - suggestions

Here in Ohio - the car will be gararged during the winter months (December through February). After that it will stay outside (as my really high end cars come out of storage and back into the gararge).

Best ways to perserve the cosmetics of the BMW:

- most durable wax?
- car cover yes/no ( when it rains moisture can be trapped underneath)?
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      10-24-2010, 10:20 AM   #2
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      10-24-2010, 11:24 AM   #3
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My E90 is the DD and lives outside. Just keep up on your sealant/wax applications, there's not much more you can do. Also avoid parking under a tree (sap, bird poop, etc) if possible. I assume you drive the E46 at least occasionally in the summer, so the car cover will probably be more trouble than it's worth. Unless the car and cover are perfectly clean, you risk damaging the paint each time you put it on or take it off the car.

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      10-24-2010, 04:20 PM   #4
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Same as a above. My E90 is also a DD and here in Chicago things can get brutal in the winter. The amount of salt they put on the streets, combined with air pollution and railroad dust makes it really tough to keep the paint clean.

Just as others have suggested, always keep up with your sealant and wax application schedule. Also, I highly recommend applying Aerospace 303 protectant to all exposed rubber and plastic pieces once every 2-3 months. It will protect against sun damage.

I just finished winter prepping my E90. Pretty much I did 3 layers of JetSeal 109 and 1 layer of 1Z Einzsett Hartglanz after an exhaustive claybar and polishing session with my PC 7424XP.

The results are amazing and I am hoping that this setup will keep the paint safe over the winter.
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      10-25-2010, 06:11 AM   #5

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This is how I stored my cars outside while the garage was being modified-

. Two-cover system:

During high winds the use of this system will avoid paint surface marring from the cover being buffered by high force winds

a) Dustop™ - 4 layer cover with maximum dust protection and its soft inner layer protects paint.

b) Weathersheild™ HD- primarily for intense sun environments and long-term storage provides optimum protection from a multi-layer breathable (heavyweight) fabric.
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