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      08-12-2016, 08:27 AM   #57
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Quote:
Originally Posted by JimD View Post
I picked up a 5 quart jug of Castrol 0-40 European formula that is LL1 rated at Walmart last time I was there. I used to use Mobil 1 0-40 European but it is now not LL1 rated. I also change every 5K miles which is more than six months for me. I think synthetic is important and a LL1 oil accepted by BMW may be important but frequent oil changes is more important than either. 5K is probably more than sufficient but it's easy to remember.
While you don't have to use an LL-01 oil, it is a good indicator of the quality of the oil. If an oil meets LL-01, Porsche A40 and Mercedes 229.5, it must be good, since they are all pretty demanding standards. Of course, a long drain requirement is part of the LL-01 standard and if you change your oil out at short intervals, it probably is not such a big deal. If I did not use an LL-01 oil, I would make sure to use a 5W/0W-40 oil, to allow for quicker shearing.
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