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      07-05-2010, 05:29 PM   #9
elp_jc
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Quote:
Originally Posted by JAJ View Post
I have read that the BMW Approved product is ester-based (it's a direct competitor to ELF and Motul ester racing oils) while the non-approved formulations are PAO based.
That'd make it a group V then, which is the best. Interesting. Can somebody confirm this? Just curious.

The other reality is for folks like me, who drive 5K miles a year, rather than 15K, it makes little difference. When you start stretching oil changes is when a better oil starts to make a difference. I'd never go over 7.5K miles regardless of oil, like most folks adhere to here.