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What 's the different betw. 10w-30 and 10w-40, and which brand is recommand for S4?

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Old 06-30-2001, 11:32 AM
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Default What 's the different betw. 10w-30 and 10w-40, and which brand is recommand for S4?

How many bottle do i need for one oil change?
Old 06-30-2001, 11:57 AM
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7 bottles of mobil 1 5W30 synthetic
Old 06-30-2001, 04:46 PM
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Default to actually answer your question...

The difference between 10W30 and 10W40 is the 100 deg. C viscosity. The 10W40 is a little bit harder to pump when it's fully warmed up. I would only use Mobil 1 tri-synthetic oil. Depending on where you live, you also might want to go wtih a lighter oil, like 5W40 or 0W30. In texas, 10W30 is perfectly fine.
Old 06-30-2001, 06:17 PM
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Default Re: What 's the different betw. 10w-30 and 10w-40, and which brand is recommand for S4?

<ul><li><a href="http://www.howstuffworks.com/question164.htm">http://www.howstuffworks.com/question164.htm</a</li></ul>
Old 06-30-2001, 08:09 PM
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6.5, use Mobil 1 0W30!!!
Old 06-30-2001, 10:13 PM
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Default I was told 15-50 was the way to go if...

you are really abusing the car and are in hot weather. 0-30 is like water!
Old 07-01-2001, 06:41 AM
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Default 15w50, in fairly warm weather toasted one of my turbos in my '00 S4. Unchipped.

15w50 is the way to go if you want new turbos.
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