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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-05-2012, 01:55 PM
bigmind69 bigmind69 is offline
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540i oil castrol 0w-30

does the castrol 0w-30 oil good for Hot climates ??? highest temp about 52 degree in summer
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  #2  
Old 10-05-2012, 02:58 PM
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Jason5driver Jason5driver is offline
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Originally Posted by bigmind69 View Post
does the castrol 0w-30 oil good for Hot climates ??? highest temp about 52 degree in summer
52 degree Fahrenheit, or Celsius?
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  #3  
Old 10-05-2012, 03:37 PM
mbell666 mbell666 is offline
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I'd guess Celsius. I'd stick with recommended or heavier oil in hot climate, not thinner oil.
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  #4  
Old 10-05-2012, 03:45 PM
bigmind69 bigmind69 is offline
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Quote:
Originally Posted by bigmind69 View Post
does the castrol 0w-30 oil good for Hot climates ??? highest temp about 52 degree in summer
Celsius
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  #5  
Old 10-05-2012, 04:47 PM
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Jason5driver Jason5driver is offline
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Originally Posted by bigmind69 View Post
Celsius
52 degrees Celsius = 126.5 degrees Fahrenheit.

I would use this:
Mobil 1 - 15w-50:
http://www.mobiloil.com/USA-English/..._1_15W-50.aspx
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Last edited by Jason5driver; 10-05-2012 at 06:58 PM.
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  #6  
Old 10-05-2012, 05:12 PM
JasonSC540ia JasonSC540ia is offline
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Mobil 1 0W-40 Euopean Blend. Thats what BMW recommends if your not going to use there oil.
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  #7  
Old 10-05-2012, 08:42 PM
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BigBoy740il BigBoy740il is online now
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The Mobil 1 0W40 is an approved replacement for the BMW LL 5W30, but in such a hot climate oil you need a heavier weight oil ( ie 10W30 or 10W40). In such a hot climate, you're more worried about the oil's ability to prevent thermal breakdown as opposed to cold temperature flow. Here in Arizona and last year in El Paso, Texas I ran 10W30 with no issues. In addition, some folks run the 10W40 and 15W40 to also reduce Vanos chatter.

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  #8  
Old 10-05-2012, 09:00 PM
aioros aioros is offline
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As far as I know, the designated XXw means "winter", but what it really is the flow of the oil in a set temperature (cold temp usually). The "grade" or the 2nd number -20 to -50, is where the protection (everything included) comes from.
My suggestion is look for an oil with the ACEA spec A3/B4, BMW LL01, mb229.51

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  #9  
Old 10-05-2012, 10:28 PM
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chiefwej chiefwej is offline
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The German made Castrol 0w30 (European Formula) is BMW LL 01 rated and is recommend by BMW for all temperatures and all climates. I have been using it for many years in my 540 here in Tucson where almost every single day in the summer is over 100 F.
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Last edited by chiefwej; 10-06-2012 at 12:44 AM.
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  #10  
Old 10-06-2012, 02:15 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by mbell666 View Post
I'd guess Celsius
Why they use such a crazy system in Lebanon, I'll never figure out.

I mean, water is 'supposed' to boil at 212 degrees and to freeze at 32. That Centigrade system is just not natural!
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See also: E39 Bestlinks & How to easily find what you need
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  #11  
Old 10-06-2012, 05:11 AM
aioros aioros is offline
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Quote:
Originally Posted by bluebee View Post
Why they use such a crazy system in Lebanon, I'll never figure out.

I mean, water is 'supposed' to boil at 212 degrees and to freeze at 32. That Centigrade system is just not natural!
Hahahahaha Bluebee you made me laughed. I hope you were being sarcastic. You know that most of the world uses the metric system to measure length/distance and the centigrade system to measure temperature.
Water boils at 100C and freezes at 0C
Everything is based on the number 10.

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Last edited by aioros; 10-06-2012 at 05:14 AM.
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