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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 10-06-2012, 04:46 PM   #41
zwei e46
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Thanks DenaliXTC

My issue was the 3 nuts securing the motor to the linkage were loose. The wipers worked, but I would get the occasional bang on the cowl. Finally got sick of it and this DIY helped me out big time. Once I got it out, the motor was barely hanging on to the linkage. Tightened/cleaned everything up and she's operates like she should.

Oh, and I agree, the hardest part was that @#*$*%! 10mm nut securing the linkage to the body. Very awkward location.

Thanks for taking the time and pics!
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Old 03-23-2013, 06:18 PM   #42
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Thanks for this tutorial. I tackled the repair today and it went very well. I think that the key is making sure the linkage is in optimal position before trying to take it out or put the new one in. One noteworthy item is I saw T27 screws mentioned but mine were T30. Here's another tutorial that was really helpful (I referenced both for my repair).

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Old 06-12-2013, 02:20 PM   #43
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Thank you for posting this! It was a great help for me when I was fixing my wiper motor. If anyone's wipers are still working but not properly i.e. they go down instead of up for the first cycle, it is completely fixable you do not need to buy a new motor.
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Old 09-05-2013, 03:40 PM   #44
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I have a question and think I'm in the right thread.....

After the snow and ice one time last winter my wipers were all F-ed up and the wouldn't work, and then they would, and then they wouldn't. Finally they started working again on their own but now they stop about 10-15 degrees from the bottom. So basically when they turn on, they first sweep DOWN a bit and then go through the full arc and come to rest a little high on the windshield.

I'm assuming that under pressure, the linkage spline just slipped to an off-normal position and all I need to do is adjust it.

My question is, can I just get in there and loosen that connection where the motor attaches to the linkage, rotate the linkage slightly through its scissors motion till it gets to the right point, then tighten up that connection again WHILE STILL LEAVING THE WHOLE MOTOR AND LINKAGE INSTALLED IN THE CAR? I'd prefer not to have to reach in and find that hard to do 10mm nut, and pull the whole thing out, just to adjust the linkage by an inch or two. I know the motor will be stopped at what it thinks is the DOWN position, so rather than rotating the motor and all that, I'd think just moving the linkage to where it is scissored to its proper DOWN position and then tightening that spline nut would do the job?

Has anyone done this successfully? Or can you not loosen that spline nut without taking out the whole linkage? I'm trying to picture it based on the DIY and can't quite envision it.
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Old 04-02-2014, 08:52 PM   #45
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This DIY saved me from all the guessing thanks for this, I bought a wiper switch thinking that went wrong but that wasn't it. I cleaned the wiper motor and it worked like new thanks again. Even though this is pretty late.

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Old 04-12-2014, 01:57 PM   #46
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My wiper arm doesn't want to come off
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Old 11-03-2014, 11:27 PM   #47
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Holomis ... I assume you fixed this by now but just in case - I used a battery terminal puller to get it off.

Now, onto my dilemma. While reinstalling the wiper arm, I "wiggled" it a little too much and it snapped the black plastic part that connects the silver piping and the bolt that the wiper arm mounts on. I completely removed it and currently have some gorilla glue curing in a feeble attempt to remain in the state of denial that this move just cost me $400. Any ideas out there, before I order a new one?

Last edited by g0nzo; 11-03-2014 at 11:27 PM.
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Old 11-09-2014, 12:08 AM   #48
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Originally Posted by Hanu91 View Post
I also did this yeasterday and I have 320d 2003. By the way you have to disconnect your car battery for a minute after you have put everything back because if you don't everytime you test the wipers fuse number 59 (30A) blows. There is some software that needs to be reset and to do that just disconnect the battery.
Earlier in this thread, someone pointed out that the copper wires must be seated properly in specific plastic channels. I did this and it worked without blowing any more fuses.

Last edited by g0nzo; 11-09-2014 at 05:02 PM. Reason: Correction to solution
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Old 11-09-2014, 05:00 PM   #49
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Tony3series - Great instructions. Used them to set the park position correctly but I didn't clean any of the grease that I saw on the white disk or the copper prongs. Wipers are still very noisy and its not the blades or linkage as both are new. From your pictures, it looks like you only have grease on the metal worm gear that is below the white disk. Did you end up greasing the white disk or copper prongs?

Any other thoughts as to what may be causing the noisy wipers?


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