Stupid question...where is my o2 sensor?

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  • cferb
    E30 Fanatic
    • May 2006
    • 1442

    #1

    Stupid question...where is my o2 sensor?

    Should there not be one here on the headers...?

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  • Cosmic Serpent
    Advanced Member
    • Mar 2012
    • 154

    #2
    nope, on the down pipe before the cat.

    Comment

    • 14''BBS
      Member
      • Apr 2014
      • 54

      #3
      Look under that ground wire, thats the connector, follow it down to the pipe

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