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Thread: Both driver and front passenger window suddenly failing

  1. #1
    Join Date
    Mar 2010
    Location
    La Jolla
    Posts
    138
    My Cars
    2004 325i

    Both driver and front passenger window suddenly failing

    Hi everyone

    I replaced all four window regulators about 2.5 years ago, so I don't think this is the problem.

    A few days ago I had the front passenger window half way down and when I clicked to roll it up it didn't respond, then after a couple up and down clicks it went up. And I've rolled it up and down several times since then but I took mental note of it.
    Then a few day later - today - my driver side window was half down and I clicked to roll it up and got nothing. Down or up, no response. I kept trying while driving and got no response. I got home about 15 minutes later and parked and opened the door. As I clicked up I got a very very slow movement so I helped it up with the palm of my hand to get it closed.

    Any ideas what to check? Relays or fuses? Suspicious that both front windows behave like this?

  2. #2
    Join Date
    Jul 2011
    Location
    Arlington, VA
    Posts
    9,933
    My Cars
    2018 BMW M240i
    Your car has a General Module 5 (gm5) that has a bunch of relays. Go to www.bmwgm5.com to find out about and about repairs. This is a common issue as the E46s get old.

  3. #3
    Join Date
    Mar 2010
    Location
    La Jolla
    Posts
    138
    My Cars
    2004 325i
    I took apart the driver's door and found that the wire inside the regulator spindle was kinda twisted and it popped out when I removed the regulator motor. I tried a few tricks to get it to go back inside and wind around the spindle properly but no avail. It that even possible? Or do I need to buy a new regulator?

    regulator wire.jpg

  4. #4
    Join Date
    Jun 2012
    Location
    New Mexico
    Posts
    915
    My Cars
    2003 328i
    Needs a regulator.

  5. #5
    Join Date
    Mar 2010
    Location
    La Jolla
    Posts
    138
    My Cars
    2004 325i
    I bought a replacement. I can't get the window to go down even though I cut the wires on the old regulator in a few places. It feels like it's hitting something on the rail / clip side opposite the side with the spindle.

    window clip.jpg

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