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Old 01-12-2015, 03:02 PM   #1
Kye7
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Broken window regulator?

Was in Denver CO for a bit, Windows froze kind of, and I wasn't thinking and tried to lower my window with the button. Three of the Windows were affected.. I hope I don't have to replace 3 regulators.

It seems if I pull down on the window when I push on the switch, it goes down, but only goes up if I push down while pulling up on the switch. This is the front window, I am thinking the glass left the regulator and is no longer "aligned"...

My real problem is the back window. I'm back in warm weather and I just tried to lower my window, but heard something and now it doesn't want to go up or down. I tried pushing it down slightly as I went down with the switch, and the window sank to the bottom, and will not go up when I push the switch either way. The window is too low to grab...

Has anyone else experienced this? Must I replace the regulators? Do I just have to "realign" the glass into the regulator??

This is the back window that I need to close.

Thank you in advance!
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Last edited by Kye7; 01-12-2015 at 03:04 PM.
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Old 01-12-2015, 03:12 PM   #2
BMWfan07
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I had the same problem. First When you try to roll up or down the window do you hear the motor working and the regulator going up or down?
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Old 01-12-2015, 05:03 PM   #3
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Yes I hear it. It sounds like its making a grinding noise though, not pleasant.
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Old 01-12-2015, 05:29 PM   #4
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Grinding noise as in motor having a hard time? If so yeah its your regulator, the metal string could be tangled up. I changed the regulator on mines and window started working perfectly again.
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Old 01-12-2015, 05:51 PM   #5
bmwbob89
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Yep you most likely need new regulators. They are fragile and the winters are hard on them. If they are frozen you don't dare try and use them.
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Old 01-12-2015, 07:36 PM   #6
amf
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yup regulators
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Old 01-12-2015, 09:32 PM   #7
Kye7
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Will not use again in the cold.. Too late for that now though!

So the cable could be frayed? I just watched up on a couple videos and saw a man repair one with some zipties.

Also, there's no chance that the glass could have 'slid out' from the regulator/locking mechanism that holds the glass in place? Since with the other windows I'm able to pull the glass up and down.

I'm going to be seriously sad if I have to replace three of them ):


And have the motors gone bad, or just the regulators?
I can buy them differently on ebay, with the motor is more expensive. Taking the door panel off seems tedious..

Last edited by Kye7; 01-12-2015 at 09:48 PM.
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Old 01-12-2015, 09:46 PM   #8
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Regulators and clamps are not very pricey. they are cheap on ebay.

The regulator is 2 pillars that holds the motor and in those two pillars theres the clamps that holds the window. When you change the regulator out be sure to unplug your battery before you mess with the airbag or you will set off an airbag light on your dashboard.
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Old 01-12-2015, 09:47 PM   #9
BMWfan07
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or a possibility of you triggering the airbag lol. (now that would suck)
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Old 01-16-2015, 01:39 PM   #10
YOnpds
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Thanks for the info guys. Mine is starting to act up as well. From a scale of 1(easiest)-5(hardest) what is the difficulty rating for this DIY in your opinion.
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Old 01-16-2015, 02:06 PM   #11
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The regulator is cheap. My motor is good so I just needed the metal arm. The part for the rear passenger side was only $22 with $8 shipping.

I've only taken the broken one out so far, Y0npds, but the hardest part is removing the door panel and the plastic cover underneath it. I would give this job a 2.5.
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Old 01-16-2015, 02:23 PM   #12
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Quote:
Originally Posted by Kye7 View Post
The regulator is cheap. My motor is good so I just needed the metal arm. The part for the rear passenger side was only $22 with $8 shipping.

I've only taken the broken one out so far, Y0npds, but the hardest part is removing the door panel and the plastic cover underneath it. I would give this job a 2.5.
Thanks
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Old 01-16-2015, 03:01 PM   #13
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Quote:
Originally Posted by Kye7 View Post
The regulator is cheap. My motor is good so I just needed the metal arm. The part for the rear passenger side was only $22 with $8 shipping.

I've only taken the broken one out so far, Y0npds, but the hardest part is removing the door panel and the plastic cover underneath it. I would give this job a 2.5.
+1, it's usually just the cable fraying and unwinding or something to that effect. The motor itself is relatively robust. I've changed many, many regulators in my old e46 and my dad's e53. I've been lucky enough to have had my current ones hold up for over 4 years.
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Old 01-17-2015, 11:50 AM   #14
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Make sure you disconnect the negative battery cable before starting, or risk the side airbag going off.
Pay attention to how they slide the regulator back in when watching the video.
If memory serves me there are two red plastic guides that you might as well replace while you're in there.
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