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Thread: double lock disable engine?

  1. #1
    Join Date
    Jan 2008
    Posts
    1

    Default double lock disable engine?

    I just purchased a 1995 525I with 163K so ease me in on this forum, I will definitely need some guidance.
    Previous owner installed after market remote locking/alarm. It definitely acts finicky randomly going thru close/open cycle while the car is being started or sometimes running.
    Yesterday the car wouldn't start. Engine cranks, no smell of gas. Tank is full. Battery is fully charged. I started to check fuses, 23 is good. There was too much noise to hear if pump was working.
    My question is - does the double lock prevent the car from starting?
    If so, I'll have a shop completely remove the after market works.
    I have other issues but I'll start with just being happy if I get the car going.
    Jack

  2. #2
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    factory double lock no, unknown aftermarket alarm who knows what they may of spliced it into
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  3. #3
    Join Date
    Oct 2006
    Location
    Reading, UK
    Posts
    1,853

    Default

    Quote Originally Posted by winfred
    factory double lock no, unknown aftermarket alarm who knows what they may of spliced it into
    If it has EWS I, double locking the doors will disable the starter motor

    However you're more than likely correct winfred, assassinate that alarm and your car will work again!

  4. #4
    Join Date
    Dec 2003
    Location
    Australia
    Posts
    494

    Default

    A factory DWA system will immobilise the car when the doors are double locked. It uses the same system that the code function on the OBC uses.

    See this for some more details on dwa - http://www.e38.org/e32/BMW_pdfs/DWA.pdf
    Last edited by myles; 01-29-2008 at 09:51 PM.

  5. #5
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
    Posts
    4,243

    Default

    I'll second the motion to ditch the alarm.
    EDIT Sorry Ferret, I meant to BIN the alarm.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

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