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Thread: Oil leak near vanos area

  1. #1
    Join Date
    Feb 2020
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    ga
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    z3

    Oil leak near vanos area

    Hi,

    I seem to have a oil leak near the vanos/timing chain area. Is there a gasket that needs to be changed or something else?

    Haven't narrowed it down exactly where it's coming from, but it's around there.

  2. #2
    Join Date
    Aug 2016
    Location
    Columbia, SC, USA
    Posts
    178
    My Cars
    2000 BMW Z3 2.3
    There's several possible sources. Valve cover gasket, vanos assembly to cylinder head gasket, vanos supply banjo line or fitting etc...

  3. #3
    Join Date
    May 2002
    Location
    SW Florida
    Posts
    12,397
    My Cars
    99-01 M Cpe & Rdts, X5M
    If it's on the RH side, try tightening up the chain tensioner cap (32mm / 1-1/4" wrench or socket required). They tend to loosen up enough to weep oil.

  4. #4
    Join Date
    Dec 2013
    Location
    USA
    Posts
    970
    My Cars
    1999 BMW MZ3 Roadster
    Quote Originally Posted by Randy Forbes View Post
    If it's on the RH side, try tightening up the chain tensioner cap (32mm / 1-1/4" wrench or socket required). They tend to loosen up enough to weep oil.

    Anyone have a picture of that cap? I'd like to check mine? Is there a torque measurement to tighten it to?

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