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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-10-2012, 05:57 PM
jigga1 jigga1 is offline
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Location: charlotte
 
Join Date: Nov 2011
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Mein Auto: 528i
98 e39 cat converter. Has any one replaced them

Has any one replace their cats.
Universal or direct fit..
What price
Bosal?
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  #2  
Old 10-10-2012, 06:03 PM
helpmyfive helpmyfive is offline
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Location: Ada Michigan
 
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Mein Auto: 528i
mine sounds like a bunch of broken tea cups in a metal bucket. I'm going to just cut the bottom open and empty it. I get no errors.
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  #3  
Old 10-10-2012, 06:08 PM
jigga1 jigga1 is offline
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Location: charlotte
 
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Mein Auto: 528i
Yea mine cooling down you can hear the metal cracking.. and i start up it feels like enginge has back pressure

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  #4  
Old 10-10-2012, 06:29 PM
GreenTiger GreenTiger is offline
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Mein Auto: 7/98 NonVanos 540iA
I know magnaflow has one for the pre vanos 540i. Maybe they have one for you.
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  #5  
Old 10-10-2012, 07:01 PM
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Andreas540i Andreas540i is offline
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Location: Lincoln, NE
 
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Mein Auto: 1997 BMW 540i
I replaced my broken one with a straight pipe, and split the signal from the other one to avoid an CEL.
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  #6  
Old 10-10-2012, 07:14 PM
jigga1 jigga1 is offline
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Location: charlotte
 
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Mein Auto: 528i
I bought magnaflow hm99 but they wudnt fit side by side and no shop wanted to touch them.

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  #7  
Old 10-11-2012, 05:47 AM
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16valex 16valex is offline
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Location: Albany NY
 
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Mein Auto: 530I/5SC 97-528/5
I replaced my 97 cats with DEC, it was OEM replacement fit, however it throws CAT efficiency code on highway speed sometimes. I would not buy them again.
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  #8  
Old 10-11-2012, 07:04 AM
john@eac john@eac is offline
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Location: Ohio
 
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If you would like to look at what we have to offer you can take a look hear. http://www.eaceuroparts.com/parts/pa...ge/31/1998/357
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  #9  
Old 10-11-2012, 09:12 AM
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DHoang DHoang is offline
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Mein Auto: '98 528i, '82 323i
Quote:
Originally Posted by jigga1 View Post
Yea mine cooling down you can hear the metal cracking..
I read that BMW put the a/c condensation water drain hose right above the cats so the water would evaporate when it falls onto the hot cats. Perhaps this is what you're hearing?
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  #10  
Old 10-11-2012, 09:17 AM
jigga1 jigga1 is offline
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Location: charlotte
 
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Mein Auto: 528i
Yeah ima aware of where those hoses are their not in a position to drop water on it. Gt my car diagnost by dealer and random shop.. every one said cats.. but code are p1145 & p1495..and i strongly think its the cats u can feel it holding back the car

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  #11  
Old 10-11-2012, 01:43 PM
GreenTiger GreenTiger is offline
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Quote:
Originally Posted by jigga1 View Post
I bought magnaflow hm99 but they wudnt fit side by side and no shop wanted to touch them.

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How come no shop wanted to touch them?
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  #12  
Old 10-11-2012, 01:58 PM
jigga1 jigga1 is offline
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Location: charlotte
 
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Mein Auto: 528i
Said too much work.. and cant fit side by side.. they keep saying they are the wrong cats and need the round ones.but i saw the bosal cats and they look smilar. One looks like it position at an angle

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  #13  
Old 10-11-2012, 02:59 PM
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nyclad nyclad is offline
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Mein Auto: 2002 530i Sport
I have the exact problem with one of my cats on my 2002 530i. It sounds like somebody is running a hammerdrill on a tile floor most of the time.

I even took it to a muffler shop (I know the owner) and we detected it on the 2nd bank (cyl 4-6) of cats. I live in Kalifornia, and just discovered that the CARB (California Air Resources Board) does not allow any aftermarket cats for my year and model. They do list aftermarket for a 2002 330i, but not mine. I have to buy an BMW one. The cheapest I could find one of the genuine BMW cats was for around $650! I'm thinking of just buying it and installing it myself, but I've no clue how hard this would be.
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  #14  
Old 10-11-2012, 03:07 PM
jigga1 jigga1 is offline
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Location: charlotte
 
Join Date: Nov 2011
Posts: 70
Mein Auto: 528i
If you have the right tool go for it.. bit if not i wud go to di next state over and see if they can do it. And if calli checks if its aftermarket.. theirs always a loop hole

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  #15  
Old 10-11-2012, 08:07 PM
helpmyfive helpmyfive is offline
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Mein Auto: 528i
The sound is NOT the tinking when cooling, it is over every bump. The porcelain webbing has let loose and is rattling around inside. A swift hit from below with a fist and you can hear my china shop inside. Kinda embarrassing. A 1/4 inch hole with a drill then a nibbler and I can make a door to remove it. Then a nice SS wire bead and it's all back together. Can't imagine it would interfere with anything.
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