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#1
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Question about changing oil fliter?
So it looks like I just open up the cap then remove & replace? On my other vehicles in the past the filter is a spin-on mounted low and I have to replace a quart of oil with a new filter so wondering about this one. Any advice or experience before I do this would be appreciated. |
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#2
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my tech says every 7500 miles is adequate for oil change interval, including filter.
as for your question; yes, spin off the top & replace the filter. also replace the gasket which is included in the kit. if spending the ten minutes and $6 for the filter sets your mind at ease, go for it. you may even want to consider an oil analysis. Blackstone Labs i believe is the recognized authority. |
#3
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I always defer to the diy page....... hope this helps http://www.xoutpost.com/articles/x5/e...w-x5-3-0i.html
__________________
Jim 2001 e53 4.4 x5 on 20's Mine 2002 e53 3.0 x5 on staggered 20's The Wifes "Remember it takes about 7 years to become an overnight success...... What are you waiting on?
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#4
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Most oil filters have much more capacity that is ever used, and a partially loaded oil filter actually filters better than a brand new filter, i.e., with modern engines it would make more sense to change the oil more frequently and leave the old filter in-place than vice-versa, IMHO. Don't get me wrong, I am NOT proposing this, simply suggesting that using old oil with a new filter has little, if any, benefit.
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#5
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Great info - thanks!!
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#6
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Quote:
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#7
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This was my dad's theory, starting with his first Ford model-a as he was an "Oily" working in the Oklahoma oil fields in the '20's. A life of living and working in the oil fields, including some of the labs, allows one to learn just from trial and error, I guess. Not only did he say to change the filter since it captures the particulates, but also because as it does so it can restrict flow. another thing we did was always change our own oil. Warm up the engine a little, then open the pan and allow to drain for a half-hour or so. Since a lot of the heaverier items, such a metal filings, etc could have time to run out. He always ran his fingers through the capture pan, too, looking to see what was there. We did this with tractors, dozers, anything that used oil. Maybe somethign to it, maybe not but before oil analysis programs, it seemed to make him feel better
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#8
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Most engines/filters today incorporate a bypass valve, so that in the worst case flow is not restricted, but rather bypassed around the filter.
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#9
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Its a matter of practice, not fact. If you are going to change the oil, you might as well change the filter too. Not because the filter is worn out, but because it has a litre of dirty oil in it.
If you are going to change the filter, you might as well change the oil, since you are in there anyway. Both oil and filter are arguably good for 15,000 miles. Doing it early isn't bad, it is a feel-good issue, as we can't deny the positive reinforcement that comes from giving an engine clean oil and a clean filter. Wash the car at the same time, as it feels good as well. In summary, if you are going to the trouble to change one, change both. If you want to analyze it, cut the filter open. It won't tell you much, except if it is full of particles, in which case you have accurate early indication of needing to rebuild your engine. The indication is free, however.
__________________
2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#10
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Quote:
Does oil analysis show that the limiting factor on oil life is particulate matter in the oil (which the filter might remove), or is engine oil life typically limited by things such as additive depletion, TBN, and viscosity loss, which the oil filter does not affect (although high particulate matter theoretically might increase viscosity). I ask only because I have done oil analysis on several vehicles over the past 20 years, and I have never seen particulate contamination ever being anything close to a limiting factor in a non-diesel engine. |
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