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Thread: How to delete the alarm

  1. #1
    Join Date
    Mar 2016
    Location
    Spain
    Posts
    193
    My Cars
    e34 525i

    How to delete the alarm

    I had a great idea today and decided to cut the cable that goes to the alarm in my 94 525i.
    Fortunately I disconected the battery first.
    When I tried to start the car again it was dead. It didnt start. I had to rewire it back again cause I couldnt find how to jump it so it started.
    And so now everything is back on its place and the car is working fine but I would like to get rid of it.

    Anyone knows how?!

    This is the kind of alarm my car has:

    IMGP2673.JPG

    It is in the engine bay.

  2. #2
    Join Date
    Dec 2006
    Location
    warwick RI
    Posts
    2,522
    My Cars
    E30/E32/F25
    That looks like a factory add on alarm. I’ve only seen them in early cars with non pre wired factory alarm. That particular style I’ve never seen, the ones 90% of e34/32 have don’t have an immobilizer feature
    Me E30 87/ 325i + F25 12/ M-Sport + E32 94/ 740i

    G/F’s E34 92/ 525iT + F48 18/ X1

  3. #3
    Join Date
    Sep 2006
    Location
    NW suburban Chicago
    Posts
    16,302
    My Cars
    hiss by my window
    I see an on/off switch on that siren

    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

  4. #4
    Join Date
    Mar 2016
    Location
    Spain
    Posts
    193
    My Cars
    e34 525i
    Quote Originally Posted by ross1 View Post
    I see an on/off switch on that siren
    Yesss that is true!

    However there are like 6 additional wires that go within the main cable to the alarm box and of course if you cut everything the car won't start.
    How do I know what wires to jump!? I don't know.

    In fact my switch is not there anymore. It broke and so all the wires that were soldered to it (4) are all joined together now so it is always on.
    I think my car has EWS1. I don't know if this has something to do with it.

    It makes sense cause if a thief wants to steal the car and so the alarm turns on, if he tries to cut the wires so the alarm stops, the car won't start.

    And now I don't know how to remove it...

    Maybe some wiring diagram...
    Last edited by 4dri4n; 07-14-2018 at 07:16 PM.

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