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What is this? - 86es airbox part

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    #1

    What is this? - 86es airbox part




    What is this part? Its on a 1986 325es. Its located on the side of my airbox with a wire connected to it. The wire is part of the same harness that plugs into the Air Flow Meter. It looks like it should have a cover so I've had it covered with a piece of plastic and a zip tie. Its broken now and so I'm wondering what it is, if its important, part number, etc.? Couldn't find it in realOEM.com.
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    #2
    That looks like the barometric sensor, sans cover.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

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      #3
      Originally posted by jlevie View Post
      That looks like the barometric sensor, sans cover.
      This doesn't sound like a very vital part. Do you know if it affects anything important?

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        #4
        My '87 ES is missing the sensor part competely. It ran awesome without it. There is a few posts over at s14.net, stating that their M3s felt restricted.

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          #5
          found this older post on the subject:

          http://www.r3vlimited.com/board/showthread.php?t=92175&highlight=barometric+sensor


          consensus says: its barometric pressure sensor. not vital in most cases but could be if you drive at high altitudes. I'll probably replace it because I'm not a fan of loose ends.

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