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Thread: hose leak

  1. #1
    Join Date
    Nov 2016
    Location
    Milwaukee,WI,USA
    Posts
    15
    My Cars
    1992 BMW 750iL e32 M70

    hose leak

    I have a leak in hose #1 cooling system pipe to water valve. Is it necessary to drain the system to replace hose #642221388930? Thanks

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,654
    My Cars
    11/88 E32 750iL+98 E36M3
    The p/n does not work, BMW p/n is 11 digit, that is 12 digit. I assume you are talking about a hose in this area http://www.realoem.com/bmw/enUS/show...diagId=64_0146 you will loose some fluid when you replace that hose, just add some coolant after the repair.
    Shogun tricks and tips for the E32 series are HERE!

  3. #3
    Join Date
    Nov 2016
    Location
    Milwaukee,WI,USA
    Posts
    15
    My Cars
    1992 BMW 750iL e32 M70
    My typing is not so good! Yes that is it. But when the fog cleared the # was 64211388930 on the hose itself was from engine cooling diagram #16. http://www.realoem.com/bmw/enUS/show...diagId=11_0785. not 64211384763 on the valve diagram. I don't know what happened to the font? lol


  4. #4
    Join Date
    Nov 2016
    Location
    Milwaukee,WI,USA
    Posts
    15
    My Cars
    1992 BMW 750iL e32 M70

    coolant leak

    Good to hear I won't lose much fluid. I have Prestone fluid which is okay for aluminum radiators, which I am assuming is fine with a 50/50 mix of distilled water?

  5. #5
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,654
    My Cars
    11/88 E32 750iL+98 E36M3
    Shogun tricks and tips for the E32 series are HERE!

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