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Go Back   E46Fanatics > E46 BMW > E46 Convertible

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

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Old 01-29-2014, 06:40 PM   #1
trebor99
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Join Date: Jan 2014
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Another window question...sigh

So I set the pretension as a fellow forum member suggested, and at first I thought it fixed my problem, but apparently it did not.

It looks like the window isn't ratcheting down far enough when you first go to open the door so that the top of the window catches slightly on the underside of the convertible top. When I close the door, the window catches in the same place, which forces it out and leaves about a 1/2" gap between the two windows. Most times, I reopen the door and the window ratchets much further down than the first attempt.

Could it be the lock actuator going bad, or is there a way to set the first detent position for the window in the early phase of opening the door?

Thanks for the help.

v/r
Rob

Last edited by trebor99; 01-29-2014 at 06:44 PM.
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Old 01-29-2014, 07:21 PM   #2
jjrichar
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Rob, after pulling apart the entire regulator, I couldn't see a way to adjust what you are talking about.

I think the general module sends a 'window down' signal for a small time period to lower it a sufficient amount. If it is catching, I suggest you lower the entire window a small amount so that it is not catching when closing. Have a look at the link below. When you lower the window all the way down you have access at the bottom of the door to the up/down adjustment screws. You will have to remove the rubber plugs under the door to see them. Use a T20 torx to adjust both front and rear. You need to adjust it so it is clear of the seal lip when opening/closing, but not so low that it doesn't seal correctly when it moves up when closed.

http://forum.e46fanatics.com/showthread.php?t=988143
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Old 02-01-2014, 06:01 AM   #3
trebor99
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Quote:
Originally Posted by jjrichar View Post
Rob, after pulling apart the entire regulator, I couldn't see a way to adjust what you are talking about.

I think the general module sends a 'window down' signal for a small time period to lower it a sufficient amount. If it is catching, I suggest you lower the entire window a small amount so that it is not catching when closing. Have a look at the link below. When you lower the window all the way down you have access at the bottom of the door to the up/down adjustment screws. You will have to remove the rubber plugs under the door to see them. Use a T20 torx to adjust both front and rear. You need to adjust it so it is clear of the seal lip when opening/closing, but not so low that it doesn't seal correctly when it moves up when closed.

http://forum.e46fanatics.com/showthread.php?t=988143
Thanks for the reply. I've played with it for awhile now and I'm convinced it is not properly receiving the signal to ratchet down when I pull the door handle. I would assume this is related to the lock actuator?

I've observed by repeatedly opening/closing the door at times it ratchets down and provides enough clearance, other time it moves slightly but not enough to clear the top, and still other times it doesn't move at all.

I love BMW cars (own 3) but damn these E46's are flaky. I've replaced piddly parts that never fails on even the poorest made imports. Wtf Bavaria?
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Old 02-03-2014, 04:45 PM   #4
theruskian
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Having the same problem. Suspecting GM issue. I also have the intermittent doors not unlocking issue related to the GM :/
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