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Thread: M70 Oil 7.5 quarts or 9.5 quarts?

  1. 12-10-2017, 04:25 PM #51
    TxGR8White's Avatar
    TxGR8White
    TxGR8White is offline Sick Puppy Motorwerks
    Join Date
    Dec 2007
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    Dallas, TX
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    '93 850Ci- Daily Driver
    As stated, ROTELLA is heavy duty diesel oil. It contains a good helping of zinc, which aids in friction reduction. I run 15W40 in the car year round, have been doing so for years, with no problems. My 250,000 mile M70 just loves it as much as my 500,000 mile 7.3 Powerstroke...
    '93 850Ci - Mineralweiß Metallic

    2001 740iL - Titansilber
    ALPINA B7 -Alpinweiß III

    ...the price of cool ain't cheap!
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  2. 12-10-2017, 05:01 PM #52
    dragon850's Avatar
    dragon850
    dragon850 is offline Member
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    Jun 2008
    Location
    SF Bay Area
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    Supercharged 850ci
    Motul Xcess 5w40 in my SC beast been great so far. May switch to Motul Sport for a true ester base.
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