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Thread: Can not find EWS Module

  1. #1
    Join Date
    Jan 2020
    Location
    Rancagua, Chile
    Posts
    3
    My Cars
    1997 BMW 540i

    Can not find EWS Module

    Hey!

    I'm new to this forum!, i am really glad i fount place where i can ask for some help.

    so here is my story, i have an E39 540i that one day didnt wanted to start anymore (no crank/no start). so i scanned the car and said immo problem...so since i know it is a complicated issue i bought an ECU with immo off. i putted the new ECU and i didnt had crank or start again, so the guys told me i had to jump the pin 1 and 3 of the EWS module...here is where my issue started because i can not find the EWS module, i took all the covers off under the steering and glove box but i dont see any EWS module, can you help me please?
    i added images of what i fount
    <blockquote class="imgur-embed-pub" lang="en" data-id="a/zbdilgu"><a href="//imgur.com/a/zbdilgu"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
    Last edited by D3V1LD0G; 01-18-2020 at 03:30 PM.

  2. #2
    Join Date
    Jan 2020
    Location
    Rancagua, Chile
    Posts
    3
    My Cars
    1997 BMW 540i
    https://imgur.com/a/YzIcqyZ
    https://imgur.com/a/a1NAsyu
    https://imgur.com/a/6MeGv3x

    so this is what i fount and as far as i look i dont see any EWS module

  3. #3
    Join Date
    Feb 2003
    Location
    Yonkers, NY and Argentina
    Posts
    3,284
    My Cars
    1998 528i 5speed Sport
    That is the light control module and i think trans module. The EWS box is the size of pack of cigarettes, white color, up by the clutch interrupt switch.

    Sent from my SM-G930V using Tapatalk
    e30 325i, the mighty 4 door granma mobile....Gone
    e39 528i, 4 door sports tank

  4. #4
    Join Date
    Feb 2003
    Location
    Yonkers, NY and Argentina
    Posts
    3,284
    My Cars
    1998 528i 5speed Sport
    https://www.newtis.info/tisv2/a/en/e...biliser/q-A836

    Best place for info, shows where everything is.

    Sent from my SM-G930V using Tapatalk
    e30 325i, the mighty 4 door granma mobile....Gone
    e39 528i, 4 door sports tank

  5. #5
    Join Date
    Jan 2004
    Location
    (northeast) Indiana
    Posts
    19,332
    My Cars
    15 650ix GC & 14 X5 50i
    The ECU from another e39 won't work unless your EWS system has been modified or every ews piece from the same vehicle is installed.

    A specific encrypted ISN (individual serial number) is burned into the ECU, EWS control module, and each of your keys. When you insert the key into the ignition, your key, EWS module, and ECU communicate with each other and if the all don't have the same ISN the car won't start.

    You can't write another ISN to these modules...they are write-once. Good luck with the pin trick

    The EWS control module is usually found behind the glovebox (LHD) along with some other control modules. Since the OP is in another market...some things might be different. So refer to the TIS website for more info...use the last 7 digits of your VIN to make the site more specific.
    Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral.

    2015 650ix GC (Moonstone/Cohiba Brown) <<~>> 2014 X5 50i (Space Gray/Mocha)

  6. #6
    JimLev's Avatar
    JimLev is offline Artifically Aspirated Moderator
    Join Date
    Oct 2006
    Location
    Sundance Mesa, NM
    Posts
    19,853
    My Cars
    00 540/6, '16 Highlander
    In US LHD cars the EWS is below the headlight switch.

    EWS_1.JPG

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