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BMW 3-Series (E90 E92) Forum
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What kind of oil do you use?
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05-29-2014, 05:27 PM | #45 | ||||
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1) I mentioned 5K-7.5K intervals with Rotella. I want to be sure that readers understand that the Rotella in question is a low-saps oil, designed for diesel engines running ultra-low-sulfur (15 ppm in US/CA) fuel, and because of that is not designed for the low-sulfur (200 ppm in US/CA) gasoline engines. It will wear out (use up TBN) too fast for extended intervals, especially in gasoline engines. 2) There has been substantial research on engine wear; specifically there has been quite a bit of research saying that (with synthetic oils designed for extended intervals) SHORTER INTERVALS INCREASE TOTAL WEAR. Check this post and it's references: http://forum.roadfly.com/threads/101...re-Engine-Wear and you can Google around for other references. In short, a 5K interval with LL-01 may well result in MORE engine wear than longer (15K BMW recommendations) intervals. |
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05-29-2014, 09:22 PM | #46 |
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5K - 7.5K miles oil change is what most N54 enthusiast are suppost to do.....I forgot this thread is in the general section and not turbo charged section
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05-29-2014, 09:43 PM | #47 | |
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http://www.e90post.com/forums/showpo...3&postcount=29
To find more reports of N54 owners using Rotella T6 Google is yourbest friend Rotella N54 Blackstone All this LL-01 advocacy please present a report from Blackstone showing better numbers than the Rotella report on the N54. I can only speak for Turbo charge BMWs not NA BMWs The brain washing LL-01 LL-01 LL-01 sounds like a damn zombie programing. Produce your proof....... Quote:
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05-29-2014, 11:23 PM | #48 | |
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However, nothing you posted falsifies my assertion that care should be used with a LL-04 (or ACEA E9) oil in a gasoline engine. I presume that the Rotella oil with rating ACEA E9 is most similar to the ACEA A3/B4/C3 standard that BMW LL-04 is based on. The LL-04 oils start with TBN around 7 while LL-01 (ACEA A3/B4) starts with 10. It's perfectly true that LL-04 oils will be used up sooner in a gasoline engine on low-sulfur gasoline than a diesel running ultra-low-sulfur. Nothing you say can change that fact. If Rotella E9 started with TBN 7 and you're now at 1.9, you've used ~2/7. But if you were using an LL-01 oil I might posit that you would be at TBN ~4.9 at the same interval, and have more margin and be able to go much longer. What TBN does Rotella start with? It's your oil; I'm guessing you know it. One other point: BS doesn't report TAN. Without that it's impossible to know the affect that the higher sulfur content is affecting the oil... Last edited by floydarogers; 05-30-2014 at 08:15 AM.. Reason: Unsatisfied with flippant first answer |
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05-30-2014, 05:44 AM | #49 | |
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05-30-2014, 10:35 AM | #50 |
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While I was still covered by "free" maintenance I would change it once between dealer services using german Castrol. Since then it's had a steady diet of M1 0w40 every 7,500. I'm about to roll over 150k and all is well so far. Blackstone tells me I could go longer but my thinking is why bother. You're not going to get rich by saving a few bucks on oil and filters. Though an engine failure, unlikely as it is, might make you poor in a hurry.
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05-30-2014, 12:50 PM | #51 | |
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While Rotella is marketed as a diesel engine oil, it exceeds all of the required specifications for BMW LL-01 5W-30, including use in gasoline engines and extended oil drain intervals. You have to read through these publicly available standards to understand what applications the oil would work for along with user's test reports and not just look at marketing information.
Also, a low SAPs (sulfated ash, phosphorus-sulfur) oil typically referrers to the contents of the oil and not the fuel, so fuel sulfur content is not relevant. This is specified because SPAs contaminants could damage certain catalysts and diesel exhaust particulate filters. Fuel sulfur content is relevant for diesel applications as it will damage diesel catalysts. A low SAPs oil is theretofore fine to use with gasoline catalytic converter systems, however low SAPs oils usually have a lower starting TBN number. Even so, Rotella is rated for extended drain intervals. See below: BMW LL-01 5W-30 meets: API: SL/CF ACEA: A3/B3 (longlife, extended drain intervals) Rotella 5W-40 meets: API: SM (exceeds SL/CF, safe for cat conv., approved for gasoline engines) API: CJ-4, CI-4 Plus, CH-4, CG-4, CF-4, CF, SM, SL, SJ, SH ACEA: E9 (longlife, extended drain intervals for diesel engines) Oh, the BS report BuraQ posted is mine.... Thanks! Quote:
Last edited by GoodtoGo; 05-30-2014 at 01:08 PM.. |
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05-30-2014, 01:34 PM | #52 |
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In case anyone is interested, I got a Blackstone test done on my N55 a little while ago as I was going to buy it off lease and wanted to get an idea of how the engine was doing. I have always followed BMW's OCI's (except for the first change was done at 1200 miles). Here is a link to my report: http://www.e90post.com/forums/showth...ght=blackstone
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05-30-2014, 02:09 PM | #53 | |
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As mentioned though, if I had an N52 under the hood as well and used a decent "synthetic" motor oil, I probably wouldn't give a shit about any of this either |
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05-30-2014, 02:36 PM | #54 | |
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I will be interested to see which Shell oil gets labelled BMW LL-01 and LL-02, now that they're BMW's oil supplier. Who knows, maybe the T6/E9 will become the basis for LL-04. |
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05-30-2014, 05:16 PM | #55 | |
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We are talking about the N54 platform here for "enthusiasts" whom drive agressively or their cars are tuned aggressively in which sub 9k miles oil changes is a must. The TBN value for Rotella T6 5w-40 is 10.6 , it also meets the requirement of API SM , which means it can be used in gasoline engines. Data sheet attached.. Last edited by BQTuning; 05-30-2014 at 05:31 PM.. |
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05-30-2014, 05:39 PM | #56 |
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Meh, I've seen a few pretty decent UOA results on even BMW fill @ ~7500 miles intervals. Just like dyno numbers though, these figures are only really relative to THAT particular user.
T6 is fantastic oil though and a true bargain to boot. I use that stuff in many cars, bikes, etc. and the results are always fantastic. |
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06-08-2014, 09:28 AM | #58 |
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I use AMSOIL 5w-40 euro blend with high sap.
Use bosch long life filters. |
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06-10-2014, 08:18 PM | #59 |
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T6 in all my turbo cars with the following observations, very clean motor internals and almost no oil usage under normal driving or duress! I do agree with changing it every 5-7k.
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06-11-2014, 11:51 AM | #60 |
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I use Motul 300V 5w-40. Will be changing to Motul 8100 or Mobil 1 0w-40 later because i can no longer afford boutique luxurious oil like 300V xD No more race boy for me anymore lol
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