Thread: Break in oil
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      09-11-2005, 02:34 AM   #3

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Originally Posted by CA330i
It is my understanding that synthetic oil is insuffecient (too slick) to proberly seal the rings for break in. I will acquire my 330i at the end of the month, and intend to immediately replace the synthetic oil with dino oil to facilitate proper break in. To me, this seems like a no-brainer, and I am surprised that this has not been brought up before. Am I missing something? Please advise.
BMW has designed this engine to run on synthetic, not like the engines we are used to. I would leave it in, dino oil will ruin your car!

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