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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #26  
Old 02-05-2013, 05:17 PM
x3brian x3brian is offline
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1) just buy the BMW oil

2) the BMW oil is fully synthetic ...I haven't read otherwise. It's euro spec grade.

3) you've lived with it for what I already presume is 50k miles and 4 years and 15k mili oil change intervals with no ill harm...why split hairs now?

I've used it for 109k miles every 7500 miles since new and it works as advertised.

It's cheap, readily available and ll01 approved (ll04 is only for Diesel engines). Fits my criteria...

However if I was going to switch...I would use lubromoly 5w30....

Last edited by x3brian; 02-05-2013 at 05:25 PM.
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  #27  
Old 02-06-2013, 05:46 AM
jdauria jdauria is offline
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Here /thread (/oil debates)
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  #28  
Old 02-06-2013, 11:04 PM
BMW220i BMW220i is offline
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Quote:
Originally Posted by x3brian View Post
1) just buy the BMW oil

2) the BMW oil is fully synthetic ...I haven't read otherwise. It's euro spec grade.

..
I read that BMW oil in the U.S. is a variation of Castrol TXT Softec 5W-30, a synthetic blend?, and that BMW has that oil in Germany as well as a BMW version of the fully synthetic and more expensive Castrol Professional SLX.

Now I am planning to go to an Autozone, see if they have Castrol Edge 0W-30 European Formula. If so, I'll buy a 3 year supply and use it. If they don't have it, I'll use Mobil 1 0W-40. I don't think for even a moment that BMW oil is bad, though.
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  #29  
Old 02-07-2013, 09:44 AM
Supercourse Supercourse is offline
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Quote:
Originally Posted by BMW220i View Post
I read that BMW oil in the U.S. is a variation of Castrol TXT Softec 5W-30, a synthetic blend?, and that BMW has that oil in Germany as well as a BMW version of the fully synthetic and more expensive Castrol Professional SLX.
+1
That is the impression I have got as well, and does explain why the price of BMW 5W30 is relatively reasonable.

No reason why a synthetic blend can't meet LL-01 (although unusual) and be a perfectly good oil.
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  #30  
Old 02-12-2013, 07:01 PM
dukedkt442 dukedkt442 is offline
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According to the label on the BMW 5w-30 engine oil, it is "fully synthetic." I'll defer to the BMW-specified oil, especially because I still have 40k miles of included oil changes in my '08. As for the other gear oils, the brand can actually make a pretty marked difference in the driving characteristics of the vehicle. I may be splitting hairs, but for the few extra dollars on a 50k mile service item like differential fluid or transfer case fluid, I'll just purchase the specific fluids called from BMW. I'm not entirely convinced that alternate brands of oils are any better than the factory stuff, but know that they can definitely be far worse. Just my $0.02.
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  #31  
Old 02-13-2013, 06:56 AM
x3brian x3brian is offline
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For the transfer case you have no alternative to the BMW fluid...but for the differentials it doesn't matter.

I saw a marked improvement in offline response switching to redline 75w90 fluid from the BMW labeled castrol 75w90. Could be in my head but after 110k miles in my 09 I am pretty tuned into how it feels.
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