Smoke rolling off exhaust manifolds after startup?

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  • The München Monster
    Advanced Member
    • Dec 2012
    • 150
    #1

    Smoke rolling off exhaust manifolds after startup?

    Replaced the head gasket, let car run for a few seconds and smoke rolls off the exhaust manifolds. They become hot within seconds of starting. Help? M30B35
    Celebrating 30 years.
    1986 E30 Coupe, assembled in Munich, West Germany, 7/7/86. M10 5 Speed cruisin' through time and space
    Tags: None
    • ThatOneEuroE30
      R3V OG
      • Dec 2013
      • 8626
      #2
      Originally posted by The München Monster
      Replaced the head gasket, let car run for a few seconds and smoke rolls off the exhaust manifolds. They become hot within seconds of starting. Help? M30B35

      Most likely oil dropped on the manifolds and on start up you burned it off


      1989 325is l 1984 euro 320i l 1970 2002 Racecar
      1991 318i 4dr slick top


      Euro spec 320i/Alpina B6 3.5 project(the never ending saga)
      Vintage race car revival (2002 content)
      Mtech 2 turbo restoration
      Brilliantrot slick top "build"

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        • The München Monster
          Advanced Member
          • Dec 2012
          • 150
          #3
          Hmm even if I've done it twice, once again after it cooled down and it still smoked? I sure hope that that's it
          Celebrating 30 years.
          1986 E30 Coupe, assembled in Munich, West Germany, 7/7/86. M10 5 Speed cruisin' through time and space

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            • the imitator
              E30 Enthusiast
              • May 2013
              • 1006
              #4
              I couldn't imagine there being an actual issue.. headers get hot, and as said, oil on mani or just various grime

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                • ThatOneEuroE30
                  R3V OG
                  • Dec 2013
                  • 8626
                  #5
                  Yea like said wouldn't think there's an issue. If you torqued your head down then the gasket shouldn't be leaking. If it still does it few days from now after multiple start ups and cool downs then maybe there is


                  1989 325is l 1984 euro 320i l 1970 2002 Racecar
                  1991 318i 4dr slick top


                  Euro spec 320i/Alpina B6 3.5 project(the never ending saga)
                  Vintage race car revival (2002 content)
                  Mtech 2 turbo restoration
                  Brilliantrot slick top "build"

                    Comment

                    • StereoInstaller1
                      GAS
                      • Jul 2004
                      • 22679
                      #6
                      If it's still smoking after 50 miles, triple check your work

                      Closing SOON!
                      "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

                      Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

                      Thanks for 10 years of fun!

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                        • socal-E30
                          Member
                          • Feb 2014
                          • 77
                          #7
                          Normal. Dont worry about it. It got some oil on it and will burn off. Regardless after a full warm test drive recheck for leaks.
                          2012 Jeep Wrangler 2dr trail rig
                          2014 GLI Edition 30
                          Various German company cars.

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