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BMW 3-Series (E90 E92) Forum
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Warranty VOID if I don't use BMW Synthetic Oil
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01-13-2010, 10:25 PM | #23 |
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I really don't care what the stuff is made from. I'll use the BMW oil because it got me 130K plus miles on my old M3 with nary an engine complaint, and it's among the few oils approved for our '08 335i.
If I was trying to save a few bucks on oil, I wouldn't have bought a BMW in the first place! Racing's a whole 'nuther animal. M3 racer types used to use Redline or Amsoil a lot. But they were NOT worried about warranties or super-long engine life, either! |
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01-14-2010, 12:09 AM | #24 |
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why do you say that redline or amsoil is better than those oils that are in group 4 and also in BMW LL01? those are not certainly any cheaper neither... the argument here is not about getting cheaper oil but figuring out which are better synthetic oil for our engine...
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01-14-2010, 10:15 AM | #25 |
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+1 Well said
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01-14-2010, 10:37 AM | #26 | |
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That being said, if you want to assume that there is no difference between a mineral oil BASED lubricant + additives (marketed as "Synthetic" through legal loop holes), and a Synthetic BASED oil, then Be my guest. Lastly, before you worship BMW approval, remember what happened to E46 M3 owners. They were all told to use BMW 5W30 synthetic or their warranty was voided. After BMW fixed a whole bunch of blown engines, BMW changed their story to: "if you don't use Castrol TWS 10W 60, then your warranty is voided." Go figure |
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01-14-2010, 11:49 AM | #27 | |
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Even if this were true seeing as the V10 is the highest running (in terms of RPM) engine in BMW domestic stable I think it's a fairly good benchmark. As for the E46M3 engine problem it was NOT related to engine oil. IIRC TWS 10w-60 has been required since the Z3M (same engine as E46, but a tad down on HP). A batch of E46M3's were manufactured with the incorrect bearing tolerences (literally the dept which made the bearings didn't get the memo). This was the cause for engine problems. It was never about oil. |
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01-14-2010, 07:00 PM | #28 | |
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it's actually not very expensive to get your oil analyzed. hope this helps. |
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01-14-2010, 07:19 PM | #29 |
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only way they can void it is if....
1- they are giving you the oil for free and say use what we give you or void warranty...if not providing the oil then they cant as long as it meets their written standards. 2- if for some reason it does not contain the coded standard BMW wants...then they would need to prove that oil was the cause of the failure, breakage, etc.... BMW requires LL-01 for gasoline engines in our cars....if they meet that standard and they are not providing their version for free then you can use it without issue. If you use AMSOIL or another that does not state it meets LL-01 for gasoline engines then it is a crap shoot. The oil may meet or exceed the standard but until they put it on the label it dont count. Now they cant void your entire warranty and can only void a claim that is directly related to the oil used and they are required to be able to prove it. I am AMSOIL dealer mostly for my own use rather than making any money....and AMSOIL will only stand behind their oils and cover legal cost or repair costs if you use it as directed and as of this week they do not yet claim LL-01 compatibility. Though they likely will soon as they just came out with Toyota WS transmission fluid which is in the same boat with Toyota and maybe one other company offering it before AMSOIL came out with one that meets it as well. I suspect this year it will happen but in this economy nobody is jumping through hoops to spend a lot of their own money for testing and such if a solid return is not possible. When mine is out of its initial 4 year warranty and I know longer have free service visits...I will be changing it out to AMSOIL if that is any indication of whether I am worried or not. Good Luck...
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01-14-2010, 07:41 PM | #30 | |
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