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Go Back   E46Fanatics > E46 BMW > E46 Convertible

E46 Convertible
The E46 vert forum. Talk about dropping your E46 top here.

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Old 07-13-2011, 07:17 PM   #1
E46_M3Power
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01' M3 Convertible Leak

Before anyone says anything, i searched my butt off for this same problem but never really found anything.

Simply put, i have 2 leaks: the driver's seat and front passenger seat. Once it starts to rain decently hard the water starts to come through. Its not an outrageous leak, it drips about every few seconds.

I was hoping someone could just tell me what needs to be replaced or whatever because it annoys the @#%! outta me

Pics of where it leaks:
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Old 07-14-2011, 08:25 AM   #2
R1200RT
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Have you tried treating your rubber seals?
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Last edited by R1200RT; 07-14-2011 at 08:34 AM.
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Old 07-14-2011, 10:31 AM   #3
e46mook
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I have the same problem on my passenger side, only after heavy rain. I too am interested in knowing how to fix this.

@R1200RT: what do you suggest using to treat the top seals?
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Old 07-14-2011, 12:05 PM   #4
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I use this,

http://www.z3bimmer.com/OffTopic/E24Bimmer/Gummi/
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Old 07-14-2011, 02:18 PM   #5
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i had a terrible leaking issue.. After messing with mine back and forth, it appeared it was running underneath the seal. I pulled my seal out and uses a rubber gasket basically. Placed the seal back on, gummi plfedged it.. and no leaks... We just had 2-3 very bad rain storms.. and not a single leak.... So happy now.. I'll check to see what brand/type the gasket seal when I get home.
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Old 07-14-2011, 03:35 PM   #6
e46mook
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thanks for the info! i will try this immediately
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Old 07-15-2011, 07:11 AM   #7
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To update my post,
here is the gummi pfledge0 works on all rubber, door window convertible seals... http://www.amazon.com/gp/product/B004B8GTQG
here is the gasket maker i used, http://www.amazon.com/gp/product/B000HBM6PE
I literally just carefully pulled up the gasket ran a bead along he front of the metal rail, be careful not to use too much as when you place the gasket it will run out onto the front trim paint... place the rubber seal back in place... clicked into the metal rail then rubbed my finger along the front and used some wet naps to whip up the extra gasket maker.. then coated both sides in gummi plfedge and good to go.

I would suggest trying the gummi pfledge first.. that seems to help a lot of people.. it didn't entirely fix my issue.. the gasket sealer did.

Doug

Last edited by dkuchta; 07-15-2011 at 07:12 AM.
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Old 07-16-2011, 08:34 PM   #8
E46_M3Power
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Thanks R1200RT and dkuchta, i'll have to try all of this out this week. I'll update how it goes
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Old 08-01-2011, 01:23 PM   #9
e46mook
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Gummi did not cure my problem

@dkuchta: can you do a DIY or post some pictures?
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Old 08-04-2011, 09:35 AM   #10
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I read around and saw that this could be caused by an A pillar drain clog? Has anyone else heard this and if so, does anyone know how to get to, and clear this drain tube??
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Old 08-05-2011, 09:26 AM   #11
dkuchta
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Quote:
Originally Posted by e46mook View Post
I read around and saw that this could be caused by an A pillar drain clog? Has anyone else heard this and if so, does anyone know how to get to, and clear this drain tube??
Id go to the craft store and get some pipe cleaners... smaller than coat hangers and flexible with little things off of it.. give that a try... OR use some dusting air (co2) for computers...

Last few days of hard rain my top still dosnt not leak... I had one small spot were there was some debris on the rubber between the top and windshield that some water was getting by... just whipped down and good to go.
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Old 08-05-2011, 11:30 AM   #12
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Quote:
Originally Posted by e46mook View Post
I read around and saw that this could be caused by an A pillar drain clog? Has anyone else heard this and if so, does anyone know how to get to, and clear this drain tube??
I think that's only on coupes -- the drain for the sunroof.
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Old 02-27-2012, 03:45 PM   #13
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Anyone else having this problem? Mine has the same issue and just treating the rubber didn't work.

There is a little hole ontop of the A pillar that looks like a drain - are we sure there's no A-pillar drain?
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Old 02-27-2012, 05:54 PM   #14
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mine also leaks at the A-pillar joint on the drivers side but only with the hard top on.....i've just bought some gummi pfledge so i'll give it a try with that, i've also heard that you can adjust the top for a tighter seal this is done by shimming the lock mechanism! im sure theres a thread on here with the pdf file on how to shim the locks i'll have a search just in case anyone wants it
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Old 02-27-2012, 06:30 PM   #15
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There is a little hole ontop of the A pillar that looks like a drain - are we sure there's no A-pillar drain?
As far as I know the windshield frame is an enclosed structure. So while water may be found leaking along the A-pillar, there would be no tube inside to carry water (away from the sunroof assembly)
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Old 03-30-2012, 06:59 PM   #16
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My car developed this issue recently. I took some time to check it out last weekend, and found the problem. Raise your top a few inches and look at the seal that goes across the front edge of the canvas top. Pull the seal down gently and you'll find a couple of cracks in it where it meets the top. The water runs into the cracked seal and drains out on the left & right sides.

I bought a tube of black silicone at Lowes and ran a thin bead all the way across the seal (where it meets the canvas). I also sealed the outside gaps on the left & right sides where the top seals meet the side seals. It's been raining all day today, and the car is dry inside.

This is not a task for anyone who's unfamiliar with a caulking gun and sealer. You can make a huge mess in a hurry. If you're brave enough to try it, I recommend using blue painter's tape on the canvas and the front edge of the seal.
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Old 05-24-2012, 12:53 PM   #17
radduu
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I have the same problem at my 323 convertible like E46_M3Power. Now in rainy days water become a big problem. It comes from the left side. How can adjust the soft top for a better sealing.
Lair, I will do like you did, you had the same problem like mine?
I need to seal also that in the 3d picture?

"I also sealed the outside gaps on the left & right sides where the top seals meet the side seals." Can you put some pictures, I don't know what the "outside gaps" are.
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Old 05-24-2012, 02:25 PM   #18
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I had the same leak, both sides, and solved it with the silicone caulk as Lair described it. If you look at where the cloth meets the rubber seal, you will probably see some cracking. Mainly towards the sides. A bead of black silicone solves the problem. Be neat and get the caulk in as deep as possible and it will look fine. Gummi pfledge is good for the conditioning rubber seals, but this is caused by cracks.

Also, leave your car running when you close the top. The alternator puts out higher voltage than the battery can supply by itself and the top will close tighter.

Good luck

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Old 05-24-2012, 02:48 PM   #19
radduu
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Thank you very much. I will try to do the operation tomorrow if it will stop raining .
Here in Europe - Romania it;s raining from 3 days without stoping.
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Old 05-27-2012, 12:03 AM   #20
radduu
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I've done like Lair said, and my vert it's happy now . No water in my car
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