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Old 05-07-2010, 08:55 AM   #1
bimmer654
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Wipers Stuck in Up Position..please help

Brought my car into the body shop for an M-Tech II bumper & shadow molding install. When I picked it up the wipers were stuck in up position. They work, but always stop in the up position. Body Shop claims they didn't do anything, but they worked fine when I brought it in. Could it have anything to do with re-wiring for the fogs? I know they had to cut the connectors off & put new ones for the new fogs. Perhaps that screwed something up electrically. Or maybe it's just coincidence because it did rain while the car was there & they could have moved it, turned the wipers on & they got stuck. Is there a way I can fix this or do I have to bring it to the stealership? Body shop says BMW either has to reset it or it could be a motor issue. Please advise & thanks in advance for your help.

Update: This is really weird. Tried my wipers again just for the hell of it & now they return to normal position. Go figure. Hope they stay that way! Tempermental Bimmer I guess...
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Old 05-07-2010, 09:16 AM   #2
David F
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Kinda sounds like body shop put wipers in service positon removed wiper arms and reinstalled in down position. So, when wipers are up and stopped, remove wiper arms and reinstall in correct position. What can it hurt?

The motor has a "park" position switch that tells the motor when the wipers are at the stopped or rest position. Seems to me the motor is responding the park signal, but the arms are not installed correctly.
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Old 05-07-2010, 09:26 AM   #3
bimmer654
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Originally Posted by David F View Post
Kinda sounds like body shop put wipers in service positon removed wiper arms and reinstalled in down position. So, when wipers are up and stopped, remove wiper arms and reinstall in correct position. What can it hurt?

The motor has a "park" position switch that tells the motor when the wipers are at the stopped or rest position. Seems to me the motor is responding the park signal, but the arms are not installed correctly.
Thank you for your response David, but the body shop was just installing a bumper cover & side window moldings which would give them no reason to remove wiper arms that I can think of.
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Old 05-07-2010, 10:51 AM   #4
David F
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Then possibly you can't think of everything. What do you have to lose? Or just live with it the way it is...your call.
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Old 05-07-2010, 11:06 AM   #5
markusmarkus
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Remove the wiper arms, turn the ignition key to the first position, hit the wiper switch for a single swipe, re-attach the wiper arms.
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Old 05-07-2010, 01:53 PM   #6
bimmer654
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Thanks guys, I have really looked at this too hard, but is it easy to remove the wiper arms? I did a quick search & it appears you need a special tool & it's a real PIA getting them off.
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Old 05-07-2010, 01:58 PM   #7
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So, when wipers are up and stopped, remove wiper arms and reinstall in correct position. What can it hurt?
A lot, actually.

Remember that when you turn the wipers on from the above state, they're gonna try to go DOWN. If they're already sitting in down at the bottom of the windshield... things are gonna get "interesting".
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Old 05-07-2010, 09:32 PM   #8
bimmer654
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A lot, actually.

Remember that when you turn the wipers on from the above state, they're gonna try to go DOWN. If they're already sitting in down at the bottom of the windshield... things are gonna get "interesting".
???
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Old 05-10-2010, 01:31 PM   #9
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???
Read the post I was replying to - his "fix" was to just take the wiper arms off when they were in the "up" position and reinstall them in the "down" position. My point is that if you were to do that, the first time you turned on your wipers, they'd go DOWN (from the already "down" position).

OK, not far, but I really hate to think what would break / blow out from the wipers trying to burrow their way through the wiper valance.
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Old 05-10-2010, 02:13 PM   #10
bimmer654
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Originally Posted by habbyguy View Post
Read the post I was replying to - his "fix" was to just take the wiper arms off when they were in the "up" position and reinstall them in the "down" position. My point is that if you were to do that, the first time you turned on your wipers, they'd go DOWN (from the already "down" position).

OK, not far, but I really hate to think what would break / blow out from the wipers trying to burrow their way through the wiper valance.
got ya now..thanks
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Old 05-10-2010, 05:00 PM   #11
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sounds more like your wiper relay went out... look in your ecu and just plug and unplug its a 20 dollar or less relay try that
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Old 05-10-2010, 08:13 PM   #12
bimmer654
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sounds more like your wiper relay went out... look in your ecu and just plug and unplug its a 20 dollar or less relay try that
Um... dumb question, What's an "ecu"?
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Old 05-10-2010, 08:39 PM   #13
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electronic control unit.... a search or googling renders an answer not spoon fed

the ecu is located near the hood hinge looking into the motor you'll see on the left corner if most likely a cover that you'll have to remove to get to it...
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Old 05-10-2010, 09:00 PM   #14
bimmer654
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Originally Posted by quacktoduck View Post
electronic control unit.... a search or googling renders an answer not spoon fed

the ecu is located near the hood hinge looking into the motor you'll see on the left corner if most likely a cover that you'll have to remove to get to it...
thx much
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Old 05-11-2010, 12:11 PM   #15
bimmer654
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This is really weird. Tried my wipers just for the hell of it & they now return to normal position. Go figure??? Hope they stay that way!
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Old 05-11-2010, 12:34 PM   #16
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THis is the solution 9 out of 10 times

It is not the ECU, since the control of the ECU is to send power to the wipers to go through the cycle. Chances are the wipers have slipped at the point of connection of the wiper motor to the actual mechanics of the wipers. The motor continues to start and stop at the same place, the alignment needs to be addressed.

Normally this out of alignment is caused by winter environments, snow and ice, that put a strain on the wipers and cause the linkage to move. It is a simple no cost fix if everything else is working correctly.

I have made this repair on several BMW's and it does take a little bit of time to get the wiper motor out and reconfigured.

Please feel free to contact me if you have any questions. DO not get screwed by the dealer or buy a new wiper motor. I have one sitting in my garage which has been realigned to correct specs.
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Old 05-11-2010, 12:38 PM   #17
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correction to my post

I just saw your last reply, in that case, do check your wiper replay. My repair is utilized when the linkage slides off the original position.
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