What is the best brand of full synthetic oil to use on a 2009 BMW Z4 3.0i, 5W30
1 Answer
I'm looking at a Z4 and found your question interesting. For an answer see: http://www.quirkyuncle.com/2013/09/12/diy-choosing- the-correct-motor-oil-for-your-bmw/. The article is too long to repeat or abstract here.
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