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  1. #1
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    First Oil Change

    Thinking of changing your oil earlier than what the car recommends on your diesel? Might want to think twice:

    This is the most interesting sample we've seen all day. This is the first BMW 335d engine that we've seen, so we had to create a new average file for it. The factory oil is so unusual that we had the lab set up the sample and run it twice. This appears to be some sort of special break-in oil that BMW is using. It has a lot less zinc in it than usual. The viscosity is fine for 5W/30, and the metals, which are from break-in of new parts, will all come down over the next 2-3 oil changes. The TBN read 2.8, still good. No contaminants found. Interesting!

    This is what Blackstone stated after analyzing the oil from a 335d with its first oil change.
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    So they use a special oil just for break in? Best to not change it yourself?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  3. #3
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    That's what it sounds like, but not everyone has full belief in Blackstone's results (although, how can you deny what's in front of your face?).

    I personally waited until 13,500 to change mine (when the car said it was time to change).
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