RE: Strange Window Behavior

["Berney, Butch" <butch.berney@xxxxxxxxx>]

Yes, Nate has a possible solution.

One other thing to check. The windows on the coupe have some sort of current
limit device to keep things that are in the way from getting damaged (hands,
arms, kids necks...). If something is the window is causing an overt amount
of friction, like a window seal for instance, it could trigger the current
limit. If triggered, the windows will do exactly what you are describing.
When I get home, I will try to take a look at the Bentley service manual to
see if there is anything in the schematics. There is a whole section on the
windows. I haven't looked at it in detail yet, but there is a lot of info
there on adjustment.

Butch Berney
94 325is M suspension (mostly)
http://bimmerforums.com/forum/showthread.php?s=&threadid=3476

- -----Original Message-----
From: Nate Smith [mailto:nate@domain.elided]
Sent: Thursday, May 10, 2001 9:31 PM
To: bmw-digest@domain.elided
Subject: Re: Strange Window Behavior


On the E36 coupe's, the window motors need to know where they are in their
travel cycle, so that they can properly lower themselves to allow for the
door opening and closing function.  The problem you have described is in the
"position memory" section of these motors.  These motors can often be
repaired, rather than replaced, although either will repair the
problem...<snip>

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