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Thread: Can't get O2 sensor out.

  1. #1
    Join Date
    Nov 2017
    Location
    Grand Haven, MI
    Posts
    119
    My Cars
    1990 535i 428k miles

    Can't get O2 sensor out.

    I have a custom exhaust on my 1990 535i that has the o2 sensor mounted just below the shift linkage. The wiring must have snagged on something because the car was running terribly and I go under to check it out and the wiring for it got ripped apart. I gotta get the sensor out but when using an o2 socket on my breaker bar the socket actually deformed a bit and it slipped. Usually with an o2 sensor I'd just chop to wire off and put a real socket on it. But in this case I want to solder it back together. Any suggestions on removing it?

  2. #2
    Join Date
    Sep 2006
    Location
    NW suburban Chicago
    Posts
    16,323
    My Cars
    hiss by my window
    Stronger o2 socket? Can you get a box wrench over it? Room to swing it? Otherwise the smoke wrench is your friend.

    If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue

  3. #3
    Join Date
    Jun 2007
    Location
    Great White North
    Posts
    11,299
    My Cars
    various
    Heat and patience

    https://youtu.be/Yk6AM4wqm-0

  4. #4
    Join Date
    Nov 2017
    Location
    Grand Haven, MI
    Posts
    119
    My Cars
    1990 535i 428k miles
    I’ll try the heat today


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