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    O2 Sensor

    will a 87 325 o2 sensor fit a 1992 318ic?

    #2
    No.
    BimmerHeads
    Classic BMW Specialists
    Santa Clarita, CA

    www.BimmerHeads.com

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      #3
      Why not?

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        #4
        /bump, i wanna know why not.

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          #5
          It uses an older style connector, I believe.
          - Sean Hayes

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            #6
            The one i want to put in my car is a universal 87 325i o2 sensor so wiring shouldnt be a problem. Could there be any other issues.

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              #7
              There's a couple connectors, if I remember correctly. On my old Eta, I think the 02 that was attached half way down the exhaust had a TWO prong connector. Then, up in the engine bay, there was the 4 pin connector used by later years. When I swapped to I-exhaust, the I-o2 connected right up.

              Either way, if you can change the connector to what you need, you shouldn't have trouble. As long as you get the heater, ground, etc etc all the same.
              - Sean Hayes

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                #8
                There is a write up that says you can use a mustang 4.0 O2 sensor in an e30. the price difference is huge. Has anyone done this before? Is there a difference?

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                  #9
                  Originally posted by E30Gus View Post
                  There is a write up that says you can use a mustang 4.0 O2 sensor in an e30. the price difference is huge. Has anyone done this before? Is there a difference?
                  Bump. Just bought a 94 Mustang 5.0 O2 sensor for $58 new. Is there a wiring diagram anywhere os some instruction on which wires to splice?
                  Originally posted by Gruelius
                  and i do not know what bugg brakes are.

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                    #10
                    Originally posted by kencopperwheat View Post
                    Bump. Just bought a 94 Mustang 5.0 O2 sensor for $58 new. Is there a wiring diagram anywhere os some instruction on which wires to splice?
                    black to black, white to white, grey to grey

                    get creative with a ohmmeter
                    1989 cirrisblau-metallic 325i

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                      #11
                      Originally posted by SpecM View Post
                      black to black, white to white, grey to grey

                      get creative with a ohmmeter
                      ... there are two white wire.
                      Last edited by KenC; 11-05-2008, 10:42 AM.
                      Originally posted by Gruelius
                      and i do not know what bugg brakes are.

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                        #12
                        bump.

                        There are two white wires. Is there any way to discern the difference between them?
                        Originally posted by Gruelius
                        and i do not know what bugg brakes are.

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                          #13
                          they are for the heater, and they are interchangeable
                          1989 cirrisblau-metallic 325i

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                            #14
                            I'm currently trying to put in a new O2 sensor in my '86 ES. I followed the E30world writeup with the Mustang sensor but it won't thread in. When I bought the car the O2 sensor was dangling down and all beatup, so I'm not sure if the exhaust bung's threads are fine as I can't test factory fitment verses my new one.

                            Should my Mustang O2 just thread right in? If it should, it's not, so what are the thread dimensions so I can get a tap for it?

                            1986 325ES LeMons Racer

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                              #15
                              Just get a thread chaser for an O2 sensor. M18x1.5

                              Sarcasm is a body's natural defense against stupid.
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