Against BMW's recommendation, I changed my oil.
#31
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BMW recommends u pay MSRP.
So do what ever the doctor recommends and be a good patient.
So do what ever the doctor recommends and be a good patient.
#32
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Here is a supporting article from "Autoweek" that will make you think twice about changing your oil at 15,000 miles interval:
VW rec. oil change interval of 5,000 miles
I know that VW doesn't require synthetic, which has much longer life than conventional engine oil. But isn't the cost of an oil change a cheap insurance against sludge?
VW rec. oil change interval of 5,000 miles
I know that VW doesn't require synthetic, which has much longer life than conventional engine oil. But isn't the cost of an oil change a cheap insurance against sludge?
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Originally Posted by speedracerF4i' date='Sep 15 2005, 03:40 PM
Here is a supporting article from "Autoweek" that will make you think twice about changing your oil at 15,000 miles interval:
VW? rec. oil change interval of 5,000 miles
I know that VW doesn't require synthetic, which has much longer life than conventional engine oil.? But isn't the cost of an oil change a cheap insurance against sludge?
VW? rec. oil change interval of 5,000 miles
I know that VW doesn't require synthetic, which has much longer life than conventional engine oil.? But isn't the cost of an oil change a cheap insurance against sludge?
[snapback]171048[/snapback]
Hi there,
Yes, saw this article awhile back. I've heard poor engine design (ineffecient transport of oil around the engine), and heat from turbo charging are key factors leading to oil sludge. Oil sludge is much rarer in bigger displacement and non-turbo motors. Other dangers I've read include operating a car in a harsh climate, and subjecting the engine to frequent start/stop cycles (i.e., frequent and short trips). Not a suprise, leased cars showed higher incident of sludge problems.
I vote for 7.5K between oil changes and for a Michael Moore movie on the subject.
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Oh, boy! Another oil-change-frequency thread!
Let's start another one!
Let's start another one!
#35
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Originally Posted by ceejay' date='Sep 15 2005, 01:18 AM
More frequent oil changes are simply wasteful of a finite resource.
[snapback]170819[/snapback]
Ok I'm ready for it... but I just want to say it... anyone feel free to yell at me I know I deserve it... but
Awwwwwwwww thats too bad... :'( :'( :'(
Until they get rid of house moms driving SUV to and from school and market burning more finite resources than me and not using the SUV as its intended to be, ie. up the snowy mountain, out off roading or carrying large bikes then I'll burn whatever I want. Argument is SUVs are safe, BA Humbug!
#36
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How did you get from misleading and greedy oil cmpanies to school run?
The point was simply the urban myth that is put about by the folks "in the know" and perpetuated by people who think its a good idea is based on greed and not fact.
A bit like saying the only form of health care technique is the one availible in the west - supported by the use of masses of expensive drugs - funnily enough with all of the reasearch into medicine funded by the drugs companies.
You want to waste all of the resources in the US, thats fine.
Just leave the resources in the rest of the world alone.
The point was simply the urban myth that is put about by the folks "in the know" and perpetuated by people who think its a good idea is based on greed and not fact.
A bit like saying the only form of health care technique is the one availible in the west - supported by the use of masses of expensive drugs - funnily enough with all of the reasearch into medicine funded by the drugs companies.
You want to waste all of the resources in the US, thats fine.
Just leave the resources in the rest of the world alone.
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Here is a supporting article from "Autoweek" that will make you think twice about changing your oil at 15,000 miles interval:
How it occurs
The letter states that engine oil sludge occurs when old, dirty engine oil thickens and cannot continue to provide correct lubrication. It says the condition occurs primarily when the engine is operated at oil change intervals beyond those prescribed in the owner's manual
The letter states that engine oil sludge occurs when old, dirty engine oil thickens and cannot continue to provide correct lubrication. It says the condition occurs primarily when the engine is operated at oil change intervals beyond those prescribed in the owner's manual
From Autoweek article.
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BMW recommends u pay MSRP.
So do what ever the doctor recommends and be a good patient
So do what ever the doctor recommends and be a good patient
Where in the maintence manual does it reccomend that you pay retail price for things?
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Originally Posted by speedracerF4i' date='Sep 14 2005, 12:22 PM
The reason oil gets dark is because of carbon burnt combining with the lubricating oil.? The thickness of oil comes from condensation (water) inside your cylinder mixing with oil, but did not evaporate due to short trips. Just look at your exhaust fume in the morning, it will be white because the condensation inside of your exhaust system is drying up.
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Modern synthetic oils will outlast your oil filters! Most modern synthetics will easily last more than 30,000 miles before they need changing. You will get absolutely no benefit whatsoever if you change your oil sooner than the onboard service interval indicator tells you to. You will merely end up paying for something that you do not need.
I replaced my Porsche Boxster with an E60 and we used to have these types of discussions on the Boxster forums. The bottom line was that even for a car built to be driven very hard, there was no need to change it more frequently than the recommended service intervals.
I replaced my Porsche Boxster with an E60 and we used to have these types of discussions on the Boxster forums. The bottom line was that even for a car built to be driven very hard, there was no need to change it more frequently than the recommended service intervals.