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Old 31st July 2007, 15:09   #1
billrM5
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Windshield Rubber Seal Replacement

Symptoms - Cracked and chipped windshield rubber seal. For a June 2007 build, the rubber has held up pretty good up until the last few months. It has started to fall apart with the slightest touch (washing the car, etc). From what I've read this is not a weather / rain seal, just a trim part.

Not much discussion on the M5 board, but I did find a big write up on another BMW board; some getting BMWNA involved, some DIY'ers. I decided to give it a shot myself. My local dealer had the part in stock

51 31 8 159 784

Only $31.26 including tax and he had it in stock. I picked it up yesterday and nervously started last night. First step is removing the old rubber. I used a plastic butter-knife type tool and a Stanley pick tool with a hook on the end. Just pried the passenger side top corner up with the plastic tool and got the hook down in the rubber and worked it up. Suprising how deep the rubber goes down in there. Once you get it started, pulling the whole molding out is a snap, it just pulls out all the way around the windshield. It did leave behind a black, gummy residue in the channel that cleaned up with some WD-40 and several Scott's heavy duty throw away rags.

Once the area was all cleaned up it was time to get the new rubber in. I did think I was a little in over my head because the molding looks like it doesn't want to fit in the opening. But I just got it lined up and it pressed in place with thumb pressure. I was really suprised but it snapped into place without much hassle at all. I did the top all the way across then the sides. Pressed it all in place, ran some Gummi-Pflege on it and let it sit overnight.

Cleaned everything off this morning, made sure everything was still in place and it was. Overall the job took about a half hour.

When the rubber started craking I thought I was in for a huge bill or life with a cracked windshield rubber gasket. But this is definately a DIY job. It really improves the appearance of the car and gives it a little "newness".

Pictures to follow...

Last edited by billrM5; 1st August 2007 at 01:25.
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Old 31st July 2007, 18:41   #2
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Good news ...
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Old 31st July 2007, 19:17   #3
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Pictures would be most appreciated.
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Old 31st July 2007, 19:21   #4
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Please do post pics.
Both front and rear rubber seals need replacing on my car. I was told by my SA that the front windsheild must be removed in order to replace the rubber seal. And, that there is a chance that the glass could get cracked in the process. This happens so often, according to my SA, that the windshield people have you sign a waiver and he advised that I have cash set aside to buy a replacment windshield just in case.

Is this really a DIY?
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Old 31st July 2007, 19:38   #5
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Quote:
Originally Posted by sportmodeON View Post
Please do post pics.
Both front and rear rubber seals need replacing on my car. I was told by my SA that the front windsheild must be removed in order to replace the rubber seal. And, that there is a chance that the glass could get cracked in the process. This happens so often, according to my SA, that the windshield people have you sign a waiver and he advised that I have cash set aside to buy a replacment windshield just in case.

Is this really a DIY?
Absolutley, positively a DIY. All you need to do is pry under 1 corner of the molding and gently pull up and it comes right out. NEVER during the process did I ever worry about cracking the windshield. I don't see how I could have even if I man-handled the molding out of it's channel.

I don't have pictures of the process (I will post pics of the finished product and the old removed molding), but there's not much to it. Just about a 3/8" gap from the edge of the windshield and the roof/side pillars. I can't see how the windshield would be so brittle that it could be broken removing the molding
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Old 31st July 2007, 19:41   #6
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Quote:
Originally Posted by sportmodeON View Post
Please do post pics.
Both front and rear rubber seals need replacing on my car. I was told by my SA that the front windsheild must be removed in order to replace the rubber seal. And, that there is a chance that the glass could get cracked in the process. This happens so often, according to my SA, that the windshield people have you sign a waiver and he advised that I have cash set aside to buy a replacment windshield just in case.

Is this really a DIY?
yes, it is very easy, you do not have to remove the windshield, but you have to follow one very important rule: never, EVER use any metal tools near the windshield. I used a plastic scraper to clean off the old material, and I started pulling from the side, just under the cowling that hides the wiper mechanism. it came off quickly, and I just sprayed silicone all over the new one to help seat it with my thumbs. I took a screwdriver to our E34 to do the same thing and cracked the windshield in 10 seconds.

I have replaced the trim on both our E38 and E39 now with success. Wind noise dropped dramatically after I did it. Just remember, plastic or wood only!
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Old 31st July 2007, 19:50   #7
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you guys just made my day!
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Old 31st July 2007, 19:51   #8
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To replace the rear rubber, would you use the same procedure?
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Old 31st July 2007, 20:02   #9
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Definitely one of my top list to do...thanks for posting
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Old 31st July 2007, 20:02   #10
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this is great news, always assumed the windshield had to come out. Please do post some pics. I need to do this on my 6/00 prod car, it's falling apart as you mention. Would love to do this soon.
thanks for posting!!
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