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You must have not read or understood my second paragraph. So let me repeat it: BMW knows a lot about their oils, about real world fuel qualities and about their control software - more than either you or I. That's why I recommend sticking with BMW's statement: "only BMW Longlife-04 and BMW...

I probably know much more about software than you do, but you know more about oil. In recommending that people go ahead and use LL-04 here in the US, you have obviously been making the assumption that BMW engines sold in Europe are programmed the same way as those in the US. With the advances...

Just to be clear: I have no idea whether BMW installs different software for different countries. But they certainly could. And that would make the cars different in different countries, which could mean the correct oil for one country is different than the correct oil for another. In...

They no longer need to do that. Now it is just a matter of different parameters in the software. The world has changed.

Different regulations. Different fuel quality. Different temperatures. Different liability laws. Different particulate filters. Different speed limits. Different maintenance habits. Different competition. Have you noticed that when you download something, the download program wants to...

I asked a question. Why do I have to explain something to ask a question? You said it is not possible. Why is it not possible?

Also, keep in mind that BMW is almost as much an American company these days as a German company. Its largest plant is in the US, and it is now America's largest car exporter. It would be trivially easy for a BMW engineer to sample American fuel in Greenville SC every day on the way to work...

Why is it not possible?

Is it possible that BMW is programming cars sold in different parts of the world differently to match local regulations, conditions, and/or experience? If so, it would explain these differeing geographic requirements for oil types, even if the cars affected are mechanically identical.

Note that BMW's LL01 FE now claims to meet SP requirements, while their LL01 makes no such claim. Since Castrol's LL17 FE+ also claims to meet SP requirements, and they are BMW's supplier, I expect that the BMW branded version to soon make that claim as well once BMW has worked through their...

One of the differences between the two versions of Ecoboost engines in the video is that the Gen1 engine spent most of its time running at best SN grade oil, while the Gen2 engine probably spent most of its time running SP grade oil. Since one of the goals of SP was to reduce IVD, this alone...

I have used AirBnB, Vacasa, and VRBO/Homeaway on multiple occasions. The only issue I encountered was with an AirBnB "Superhost" canceling my fully paid for reservation on me. Here are my notes on using the different services: Vacation rental options, from lowest to highest risk: Properties...

I bought a new Chrysler Maserati TC in 1989. It came with Michelin MXM tires. When I sold it last year it still had three of the original four tires on it. No problems.

The adpack of the VOA looks amazingly similar to the one used by Castrol Edge, while this one does not. I wonder if the bulk oil analyzed in this UOA was made by SOPUS, while the bottle shown with the VOA featuring an SP claim was made by Castrol.

This UOA looks quite different than the VOA posted at https://f87.bimmerpost.com/forums/showthread.php?t=1818756 . They look like two different oils, but both have the same part number ...

Oops, I screwed up. The UOA derived values under Castrol Edge Extended Performance 0W-20 C6 are not for that oil but for Castrol Edge 0W-20 SN. Treat with skepticism rows 7-16 in that column.

Hey, those cans of ether starting fluid were great! I always felt much better about the situation after using it ...

Here is an interesting comparison that I put together of 4 current Castrol products using the most recent data available. The first three are very similar. With the exception of the higher weight for the third product, are the first three products actually the same product or slight variations...

Thanks. I have seen this chart before and wondered what the publication date was. Is it recent? Is the context for the US or some other part of the world? LL-01, LL-04, and LL-12 FE are not among the recommended oils in my 2019 US B48 manual. BMW may have changed their mind about those oils...

My BMW's manual does not allow for oils meeting the LL-01 spec - only LL-01 FE or LL-17 FE+. So Pennzoil is not in the game, unfortunately. But thanks for the suggestion. So, my conclusion is that at least for recent model BMWs, the set of oils meeting @Gokhan qualification of "if a legacy...