One Of My Catalytic Convertors Is F$^#ed!!!! - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 04-10-2005, 07:25 PM
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I crawled underneath my car today to try and find where my exhaust is making a noise and i'm about possitive that i found the spot, it looks horrible, has anyone else had this problem before?











...some of the images were brightened in photoshop and are a bit blurry, i appologize, but you get the picture. I've only had my car for about 5-6 months and i don't think they have done this while i've had them cause i've heard this sound for a long time. What do you think caused them to do this?
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#2 (permalink) Old 04-10-2005, 07:28 PM
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sorry the pics are so large, forgot to resize, but if i had then you wouldn't have been able to see the spot as good.

I'm wondering if this is a place that someone has tried to patch and just looks ugly, what do you all think?
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#3 (permalink) Old 04-10-2005, 09:34 PM
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The way it bulges out like that seems to me like someone attempted to patch a hole or something (oh noes teh uglies!!!1). Is there a hole in the patch?

Also, you could crop the pictures... just a thought
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#4 (permalink) Old 04-10-2005, 10:52 PM
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not sure if there is a hole in the patch or not, i'll check it tomorrow if i get a chance, and it's too much work to crop them all, lol, besides, i thought the john deere looked good in the background, lol
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#5 (permalink) Old 04-11-2005, 08:33 AM
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here is a cropped pic so you all don't have to scroll to see it anymore........



...well you don't have to scroll if your resolution is set high enough like mine, lol.
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#6 (permalink) Old 04-11-2005, 08:39 AM
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I think this is a patch job from a previous leak.
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#7 (permalink) Old 04-11-2005, 10:09 AM
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pretty nastey looking patch eh? How can i find the leak? i have read where some people try holding a peice of paper near the exhaust searching for a leak, should i try this or is there a better way?
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#8 (permalink) Old 04-11-2005, 04:48 PM
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Quote:
Originally posted by kyle_baker@Apr 11 2005, 11:09 AM
pretty nastey looking patch eh? How can i find the leak? i have read where some people try holding a peice of paper near the exhaust searching for a leak, should i try this or is there a better way?
[snapback]330043[/snapback]

The paper thing will work. Or you could just run your hand around the pipes, don't touch them, and see if you can feel a leak. Do I have to say, BE CAREFUL? If you can get it on a lift, walking around and listening should help you spot it.

PS: is that your converter or resonator with the patch?

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#9 (permalink) Old 04-11-2005, 07:54 PM
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To find leak:
get a plastic squeeze bottle. Fill with small amount of glycerin soap or children's bubbles, dilute with water. With car cold and exhaust accessable, start car. Squirt soap on suspected area of leaks. If bubbles form, there is your leak!
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#10 (permalink) Old 04-11-2005, 09:43 PM
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wow, some noob welder sure went to town on that thing
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#11 (permalink) Old 05-05-2005, 09:07 PM
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hey i've been looking into getting some new cats. bavauto has them for $500 and pelicanparts has them for $600. Does anyone know of a better deal than these anywhere? I need some that are affordable, lol. Any help would be great! Thanx!

also when people say to get cat. back, what does this mean?
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