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Thread: oil everywhere

  1. #1
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    280
    My Cars
    93 850Ci, 2012 X5 35d

    oil everywhere

    I have what I thought was a major oil leak...it's from the transmission, torque converter is dry, but transmission fluid comes out in dribs and drabs and occasionally pours in a stream. The bellhousing top and sides are dry, but the bottom also shows signs of fluid, but it looks motor oil...thoughts? is it common for the "#7" o-ring to go, or just the #6 pump seal?

  2. #2
    Join Date
    Jun 2008
    Location
    SF Bay Area
    Posts
    3,800
    My Cars
    Supercharged 850ci
    If it's engine oil and the transmission oil I would say rear main seal and the transmission output shaft seal.

  3. #3
    Join Date
    Oct 2008
    Location
    Mt. Dora, Florida
    Posts
    2,846
    My Cars
    CSi#18, Tesla S85
    If it is an auto transmission, check the lines to the transmission cooler where they bolt up to the transmission. They have an o-ring. I have seen where these lines are only finger tight. If I remember correctly, they are on the right side of the transmission up in the tunnel, but are accessable from under the car.
    CSi #18 - Car & Driver Magazine 1994 actual test car
    -- Hellrot/Black-Gray (1 of 1 NA CSi color combination)
    BMWCCA E31 Chapter International Clubs Liaison
    North America Representative, 8er.or Board of Directors




  4. #4
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    280
    My Cars
    93 850Ci, 2012 X5 35d
    -the transmission oil is coming from inside the bell housing but the converter is dry, no engine oil here, so the rear main is ok,
    -i'll check the transmission lines, but as mentioned, the transmission oil is pouring from the screened area, none on the outside...

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