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The BMW Range
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E90, E91, E92, E93
Engine Oil
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<blockquote data-quote="Schwepps" data-source="post: 380162" data-attributes="member: 3592"><p>The Lubrizol chart I'd say is very generalized and anecdotal, not based on quantitive data. How many of those parameters are actually specified in the oil standards? Eg, is 'fuel economy'? Even soot thickness is not a correct description of the quantity of the ash elements sulphur, phosphorus, etc.</p><p></p><p>Were tests done and if so, on what oils representing each of those standards? BMW LL-01 by Shell, Castrol, Mobil, Petronas, etc all have slightly different characteristics. There is no 'generic' BMW LL-01 performance applicable to all oils.</p><p></p><p>BTW, BMW LL-04 is a subset of the main BMW LL-01 standard, and so is MB 229.51 a subset of the main MB229.5, just to cater for the 4M requirements introduced in Europe at the time. If you look at the LL-04 documentation, it even said "Not recommended for use outside Europe". (I read that as German-english for "Not necesarry for countries outside Europe")</p></blockquote><p></p>
[QUOTE="Schwepps, post: 380162, member: 3592"] The Lubrizol chart I'd say is very generalized and anecdotal, not based on quantitive data. How many of those parameters are actually specified in the oil standards? Eg, is 'fuel economy'? Even soot thickness is not a correct description of the quantity of the ash elements sulphur, phosphorus, etc. Were tests done and if so, on what oils representing each of those standards? BMW LL-01 by Shell, Castrol, Mobil, Petronas, etc all have slightly different characteristics. There is no 'generic' BMW LL-01 performance applicable to all oils. BTW, BMW LL-04 is a subset of the main BMW LL-01 standard, and so is MB 229.51 a subset of the main MB229.5, just to cater for the 4M requirements introduced in Europe at the time. If you look at the LL-04 documentation, it even said "Not recommended for use outside Europe". (I read that as German-english for "Not necesarry for countries outside Europe") [/QUOTE]
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