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E36 (1991 - 1999)
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  #1  
Old 01-12-2020, 08:31 PM
MikeM702 MikeM702 is offline
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Convertible Leak

I have a 99 323i convertible.

Both joints at the A pillar are leaking and I think I finally figured out the issue.

I was about to seal the convertible top windshield seal with some black gasket maker like post #39 did here...

https://forum.e46fanatics.com/showth.../857061?page=4

But I realized there was more to it. For one, I didn't even really see any tears in that top windshield seal. But I figured it was probably part of the issue. When I took another look I realized there was a tear on the rubber cap of the A pillar seal and water was probably getting under it. The attached picture shows the tear around the rivet... but then I broke said rivet......

20 year old plastic is not my friend. But I can't seem to find a 4mm plastic rivet. Can anyone help out?

To replace that seal in my pic, you have to replace the entire seal around your door. Which is like $350 x2. So my plan is to replace the rivet and use the gasket maker for under that A pillar top cap without blocking the water channel. Hopefully I can't built it up a little as well as stop water from leaking underneath it. I'll also add gasket maker to the windshield top seal (between the canvas top and it's weather stripping) like in the other forum.

Please give me any advice you all have. Hopefully I'm on the right track with this!
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  #2  
Old 01-13-2020, 03:03 PM
spyderg0d spyderg0d is offline
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Tje seal is probably beat. Alsob if the stitching is bad in the top, the water will run down to the pillar.
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  #3  
Old 01-13-2020, 05:34 PM
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dc_wright dc_wright is offline
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You can use heavy grease (non-silicone) or Vaseline packed in an area where you think it's leaking to get a temporary seal to help isolate where the actual leak is. Once you pinpoint where the leak is you can figure out the fix for it.
Also, what condition is the gasket in that runs across the front bow of the top? That gets overlooked sometimes. It's the other part of the seal.
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  #4  
Old 01-14-2020, 06:37 PM
MikeM702 MikeM702 is offline
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Quote:
Originally Posted by dc_wright View Post
You can use heavy grease (non-silicone) or Vaseline packed in an area where you think it's leaking to get a temporary seal to help isolate where the actual leak is. Once you pinpoint where the leak is you can figure out the fix for it.

Also, what condition is the gasket in that runs across the front bow of the top? That gets overlooked sometimes. It's the other part of the seal.


By “other part of the gasket” do you mean the rubber strip in the front connected to the canvas top? The one that the link I shared was about?

Well that seal looks ok. Which is why I don’t think it’s the main issue. I plan on sealing it like the link shows just to make sure.


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Old 01-15-2020, 06:58 PM
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dc_wright dc_wright is offline
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Quote:
Originally Posted by MikeM702 View Post
By “other part of the gasket” do you mean the rubber strip in the front connected to the canvas top? The one that the link I shared was about?

Well that seal looks ok. Which is why I don’t think it’s the main issue. I plan on sealing it like the link shows just to make sure.


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That's the one. Fixing these leaks takes patience and perseverance. Looks like you're on the right track.
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