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Old 02-08-2011, 03:13 AM   #219
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Join Date: Oct 2006
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Originally Posted by swordsman11868 View Post
Thanks for the info!

Correct me if I'm wrong but the Mobile 1 15w50 is approved?

I will probably do 4 or 5 changes this year so that's why I was thinking of switching to the 15-50 during the summer. (i.e. May - Sept for NV/AZ).

On a side note, I got my first oil analysis kit so I'll be sending this past oil change in. Hopefully that will give me some guidance.

Mobil 1 15w-50 won't be listed as a BMW approved oil because it doesn't meet all of BMW's strict requirements for a year-round use oil. For example, it would be pretty bad for the people up in minnesota with like -14 degree weather.

I don't really have enough experience or info to say much more beyond that. If you go over to the forums at you could probably get a good answer for your unusual situation.

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