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E46 Convertible
The E46 vert forum. Talk about dropping your E46 top here.

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Old 01-11-2015, 02:04 PM   #1
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My Ride: 2001 BMW M3 VERT MAN
Thumbs down Window Desn't Drop Down Soon Enough

2001 E46 M3 Very

My passenger window doesn't go down soon enough. The door needs to be opened too far before it does. The amount it goes down is fine, and it does go down every time. This is a new problem, and I'm worried it might get worse, and actually break the glass. My driver's side is fine.

Right now I can open the door slowly and notice the top of the window stays stuck into the groove until its automatically rolled down. It seems to bend the glass back an uncomfortable amount. A few months ago I replaced the regulator, but it all seemed fine then. This seemed to start about a week ago.

My searches seem to say the sensor that triggers the window to go down is a hall effects switch in the latch assembly. Is that true, and is it worth trying to clean it? Should I just replace it? I can't find the part on realoem.
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Old 01-11-2015, 03:29 PM   #2
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Originally Posted by nbender182 View Post
a hall effects switch in the latch assembly. . . . I can't find the part on realoem.
All I can offer is that these are typically sold only as a whole unit (the latch) so you might not find part numbers for the switch inside
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Old 01-15-2015, 03:04 PM   #3
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It took me a while to understand what this was about. While I don't have a solution for you, I'll reword it in case someone does have a solution

When door opened, window doesn't auto-roll down and gets "caught."
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Old 01-17-2015, 01:34 PM   #4
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Same thing happens to me. Bouth sides.
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Old 02-01-2015, 07:34 PM   #5
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It's happened to me from being frozen. Really thought the window might break. Once it warms up it seems ok though.
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Old 02-01-2015, 11:26 PM   #6
invisible man
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The window rolls down when the handle is pulled, not when the door opens. If it doesn't move immediately, it's because there is slop in the system, and the glass is just simply falling down after the door has been opened a bit. You need to fix the slop.
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adjustment, vert, window

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