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Will mixing 1 quart Mobile1 00w30 with 1 quart 10w30 = 2 quarts Mobile1 5w30?

Discussion in 'DIY (Do-It-Yourself)' started by Gary525iT, May 7, 2022.

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    Hello Gents and Gals,

    Alas, I sold my '74 bmw 2002 after 34 years leaving memories and ten quarts of Mobile1 10W30.

    - Can I mix these ten quarts with ten of Mobile1 00W30 and pour off 20 quarts 5W30 suitable for use in my 2000 BMW 323iT and my 2002 BMW 525iT?

    - should I put 1 quart of each in a 5 quart jug and shake the heck out of it, or will the motor do the mixing?

    - is there any chance of some terrible mechanical engine outcome from this?

    - Mobile1 says not to do it while David, the Redline spec tech says, "not a problem!"

    Help Me Out Here Please,


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