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      01-12-2009, 02:06 PM   #1
archwerks
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Castrol SLX Motor Oil

BMW Magazine has Castrol SLX Professional Powerflow advertised.
Does anyone know where to buy some?
And how believable is BMW when u don't need to change motor oil for the first year or 2 / depending on your mileage travelled?
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      01-12-2009, 04:09 PM   #2
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Quote:
Originally Posted by archwerks View Post
BMW Magazine has Castrol SLX Professional Powerflow advertised.
Does anyone know where to buy some?
And how believable is BMW when u don't need to change motor oil for the first year or 2 / depending on your mileage travelled?
Do a search in this forum. This has already been discussed sometime in the May to July timeframe of last year I believe.
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      01-12-2009, 04:30 PM   #3
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Larger oil capacity, better oil and filters have all improved where the 2500 mile oil changes are no longer required.

Many old schoolers will argue this point.

Since no one has had an engine failure due to 15k oil changes, I would say there is not an issue.
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Last edited by chuck92103; 01-12-2009 at 08:58 PM.
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      01-12-2009, 05:48 PM   #4
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Quote:
Originally Posted by chuck92103 View Post
Larger oil capacity, better oil and filters have all improved where the 2500 mile oil changes are no longer required.

Many old schoolers will argue this point.

Since no one has had an engine failure due to 15k oil changes, I would say they are not an issue.

+1
I used to be skeptical but after running a couple of X5's hard including time in the desert and the snow I have to agree.
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      01-12-2009, 06:06 PM   #5
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Quote:
Originally Posted by dmlgc View Post
+1
I used to be skeptical but after running a couple of X5's hard including time in the desert and the snow I have to agree.
+1+bmw x3!
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      01-12-2009, 08:42 PM   #6
archwerks
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Thx guys.
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      01-13-2009, 09:54 AM   #7
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Quote:
Originally Posted by chuck92103 View Post
Larger oil capacity, better oil and filters have all improved where the 2500 mile oil changes are no longer required.

Many old schoolers will argue this point.

Since no one has had an engine failure due to 15k oil changes, I would say there is not an issue.
I have been arguing for about six years on the Roadfly X5 forum that the days of 2,500 mile oil changes are long gone as long as you use a true ester-based synthetic oil. It isn't "old schoolers" who tended to disagree, but mostly the young guys who have grown up indoctrinated in the idea of frequent oil changes. It isn't generally the oil itself that degrades these days, it is the additives that get used up. Many truckers go for up to 100,000 miles on the same oil, just replenishing the additives and changing the filter periodically. Not that I advocate that for the X6, but it does give an idea of how long modern oils continue to lubricate. (Synthetics don't break down under heat and 'shear'; mineral-based oils do.)

BMW recommends changing oil annually even if you don't put on enough miles to trigger the light. I think this is just to make sure that water is removed from the crankcase, because low-mileage vehicles are generally used for short trips, which means the water in the oil never gets a chance to burn off.
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      01-13-2009, 01:06 PM   #8
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Thanks SD for the short but still informative write up
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