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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > First oil change ? What mileage ?



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      09-08-2005, 09:47 PM   #23
KUweatherman
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Quote:
Originally Posted by ZenDriver
I might also add-

Those of you who are obsessive oil changers need to stop. Modern oils and filter material (like those used in a BMW) are pretty amazing. So is the metalurgy and machining on a new BMW motor. The translation here is that oil lasts a LOT longer then your grandfather's 3000 mile changes.

You do more damage to your car when you start it up right after an oil change, when all the galleries are drained, then you do by going 10,000 or 15,000 between changes.

Isn't technology amazing?
Better get off your high horse too. Those might be considered snob comments.
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      09-08-2005, 10:08 PM   #24
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Quote:
Originally Posted by KUweatherman
Better get off your high horse too. Those might be considered snob comments.



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      09-08-2005, 10:09 PM   #25
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Well I'm still confused, to change or not to change?
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      09-08-2005, 10:19 PM   #26
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Do what you like. While I prefer to change, I by no means imply that if you don't, your going to screw up your car. I just prefer to rid the break-in material, however slight, out of my engine. I plan to keep the car for a long time. I'm well aware of the quality of modern oils, as I've posted an oil analysis on this board several times, this oil change was not about the quality of the oil at 1300 miles, it was about what was floating around with that oil. After this, I will be changing at 7500 miles.(doing what I like...)

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      09-08-2005, 10:30 PM   #27
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To add to the confusion here - I have a Hayabusa which also has a high compression, nickasil coated engine and the rule of thumb is to change the oil after about 100 or so miles because there ARE shavings in the oil that comes out. The 'rule of thumb' is actually from people who are Busa engine maniacs and they DO know what they're doing. Therefore, for my peace of mind, I'm just going to go ahead and change the oil on my E90.
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      09-09-2005, 12:12 AM   #28
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feel free to change the oil as often as you want

but it's not needed until the car asks for it (or 1 year for those who don't drive too much). you're not going to hurt anything but your pocketbook by changing too often, but the car will be fine if you run by the manufacturer's service recomendation
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      09-09-2005, 12:13 AM   #29
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Quote:
Originally Posted by agarbati
To add to the confusion here - I have a Hayabusa which also has a high compression, nickasil coated engine and the rule of thumb is to change the oil after about 100 or so miles because there ARE shavings in the oil that comes out. The 'rule of thumb' is actually from people who are Busa engine maniacs and they DO know what they're doing. Therefore, for my peace of mind, I'm just going to go ahead and change the oil on my E90.
off topic, are you a bit overweight?? the busa is the official bike of overweight middle aged guys here in the bay area

p.s. I have an SV650 and am not the skinniest guy either
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      09-09-2005, 06:12 AM   #30
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Quote:
Originally Posted by KUweatherman
Better get off your high horse too. Those might be considered snob comments.
Hey, we need more snobs!!

I do agree though, and follow the recommended schedule.
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      09-09-2005, 08:39 AM   #31
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Quote:
Originally Posted by ward
off topic, are you a bit overweight?? the busa is the official bike of overweight middle aged guys here in the bay area

p.s. I have an SV650 and am not the skinniest guy either
Jeez this is sounding more and more like a teeny bopper forum. No, I am not overweight. I have the Busa so that I don't even have to bother racing other bikes. In case I have to, a crack of the throttle should be enough to drive home the point.
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      09-09-2005, 01:56 PM   #32
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Ward are you on the suzukibikes forum?
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      09-09-2005, 01:58 PM   #33
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no, I don't post on any bike forums regularly, although I used to spend lots of time on www.socalsvriders.org

love that little SV
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      09-09-2005, 04:45 PM   #34
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My response to this(and I am not a metalurgist and I suspect we do not have one on this forum so we are all guessing) is that I think there are two components here for me... One is comfort in knowing I have clean oil and filter in my car.(It is without question one of the easiest and cheapest pieces of insurance you can do to make your engine last to its potential. That is almost inarguable.) Secondly, I have always been of the opinion that the first several thousand miles on an engine produce the most debris and particles inside the crankcase. If a $70 oil change can get rid of that. I think its a no brainer.. Of course the other side of that is, because this engine uses synthetic oil that lubricates at such a high level, is it just as important to leave it in to ensure the parts do break in correctly???? That I think is the answer we are looking for..
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      09-09-2005, 05:27 PM   #35
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Quote:
Originally Posted by greenscape
...Of course the other side of that is, because this engine uses synthetic oil that lubricates at such a high level, is it just as important to leave it in to ensure the parts do break in correctly???? That I think is the answer we are looking for..
The answer is no. Issues are created when you switch your new car original oil(not synthetic) out with only a couple thousand miles and replace it with synthetic. What happens is the rings never have a chance to develope a nice seal. With BMW, the engine is designed from the start to use synthetic so it's not a problem.

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      09-11-2005, 05:59 AM   #36
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I wish I hadn't opened this "oil" thread though some of the above posts are funny. :-)
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      09-11-2005, 10:43 PM   #37
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Quote:
Originally Posted by ZenDriver
No offense, but do you know how easy it is to change the oil on a BMW?

You need to be able to unscrew two things. It isn't like building a rocket ship...
If you do carry out an oil change yourself and something goes awry, you may jeopardise your warranty. That is why I suggested that it should be carried out by a BMW service technician.

It's not about ease of anything, it's about risk management, especially with such an expensive vehicle.

Now everything may turn out just fine from a DIY oil change but BMW may not honour potential issues that may happen down the track. This is a possibility only, however small it may be.
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      09-11-2005, 10:55 PM   #38
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Quote:
Originally Posted by greenscape
..... Of course the other side of that is, because this engine uses synthetic oil that lubricates at such a high level, is it just as important to leave it in to ensure the parts do break in correctly???? That I think is the answer we are looking for..
Isn't the new oil the BMW dealership puts in also synthetic? What difference would new oil have on break-in then?
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      09-12-2005, 02:03 AM   #39
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Why can't we all get along and call it 7000miles for the first oil change.
then take it longer as you want. cool?
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      09-12-2005, 11:07 AM   #40
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Most particles are released/generated in the first 1000 miles or so. I would be happier with a change at 1500 and then every 15,000 (or 7500 if you see the need).
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      09-22-2005, 11:08 AM   #41
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FWIW...I guess a compromise will be to chage the oil filter and not the oil....all the contaminants should be trapped in the oil filter. So change the filter..2 minute job and everybody's happy!!!!

Seriously, it's a matter of preference and there is no right or wrong answers here. If it would make you sleep well at night, do it!!!! No need for snobbish remarks! Do what makes you happy and not worry about what others have to say about it!!!!
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