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4739RE: [bmw e28] Digest Number 1151

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  • John Forbey
    Oct 14, 2006
      Correct me if I'm mistaken, but after going through
      the torquing sequence once to initially tighten the
      head bolts on a gasket you only have to make sure they
      are tightened to 60nM, in the head bolt sequence?
      jforbey@...

      --- doug dykaar <ddykaar@...> wrote:

      > Nutjob,
      >
      > its an 85 US 535i with 150,000 miles. I was told I
      > need to "re snug" the
      > head bolts on occasion, but I'm wondering how many
      > Nm that is. Haynes says:
      >
      > M30 six-cylinder engine (up to and including 1987
      > model year)
      > Stage 1 . . . . . . . . . . . . . . . . . . . . . .
      > . . . . . . . . . . . .
      > . . . . . . . . . . . . 60 Nm
      > Stage 2 (wait 15 minutes) . . . . . . . . . . . . .
      > . . . . . . . . . . . .
      > . . . . . . . Angle-tighten an additional 33°
      > Stage 3 (engine at normal operating temperature) . .
      > . . . . . . . . . . .
      > Angle-tighten an additional 33°
      >
      > So I could at lest verify they're still at 60 Nm,
      > but I'm not sure about the
      > next step...
      >
      >
      > Regards,
      >
      > doug
      >
      > 85 535
      > 86 951
      > 94 855 turbo
      >
      >
      > Date: Fri, 13 Oct 2006 12:26:22 -0000
      > From: "bimmernutjob" <bimmernutjob@...>
      > Subject: Re: <e28> head bolts loose/oil and coolant
      > leak?
      >
      > doug
      >
      > which car, year , miles ?
      > wet plugs might indicate different sort of problems
      > some of members are mechanics
      > figure out who and direct your concerns
      >
      >


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