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Old 04-24-2009, 09:38 PM   #1
phlfly
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Catalityc converter?!

I have 2003 325 i Touring with 48,000 on it. What do you think about this troubleshooting by BMW. How do i make them to change this part accordingly federal law for free?
Any ideas are welcome. If any BMW dealers is reading this forum and ready to replace this part I will drive there. BTW, I have sent msg to BMW USA and then talked to guy, he said it's up to BMW dealer, or manager of service department. It's making a rattle noise when car has reached full operation temp.
P.S. I'm not a dealer, the address they have there is a dealer I bought from. It looks like this car was in service there before I bought it.
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Old 04-24-2009, 09:56 PM   #2
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Simple. Catalytic converters are covered for 7 years, 70,000 miles by federal law. Just find a new dealer that isn't going to tip-toe around the law or your CPO coverage. It has failed if it is making rattling noises.

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Old 04-28-2009, 03:42 PM   #3
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Originally Posted by phlfly View Post
I have 2003 325 i Touring with 48,000 on it. What do you think about this troubleshooting by BMW. How do i make them to change this part accordingly federal law for free?
Any ideas are welcome. If any BMW dealers is reading this forum and ready to replace this part I will drive there. BTW, I have sent msg to BMW USA and then talked to guy, he said it's up to BMW dealer, or manager of service department. It's making a rattle noise when car has reached full operation temp.
P.S. I'm not a dealer, the address they have there is a dealer I bought from. It looks like this car was in service there before I bought it.
I am with BMW of North America, LLC. I've passed this message on to a BMW NA Customer Relations Representative who will be in touch with you soon.
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Old 04-28-2009, 04:07 PM   #4
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Join date Dec 1969?? Am i the only one confused by this?
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Old 04-28-2009, 04:18 PM   #5
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^ O.G.s have join dates of 1969 (if you joined in late 2000 or 2001)

mr repersentative posted a thread regarding failing m3 engine years ago, and provided info on extended engine warranties on the bearing recall and he's still on board with us, so consider ourselves very lucky.
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Old 04-28-2009, 04:32 PM   #6
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Are you sure it's not a heatshield resonating on engine when it's warm (low rpm) ?
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Old 04-28-2009, 04:38 PM   #7
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the rattle can also be the rectangle DISA box attached to the driver side of the engine.

the broken catalytic converter rattle should sound like actual tin or metal sound during acceleration.

ive seen many merc with bad catalytic converters but none in a e46
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Old 04-28-2009, 04:48 PM   #8
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Originally Posted by BMW NA Customer Relations View Post
I am with BMW of North America, LLC. I've passed this message on to a BMW NA Customer Relations Representative who will be in touch with you soon.
Thank you,
Do you need my phone number and/or email address? Let me know.
I didn't troubleshoot this, BMW dealer technician stated it.

Thanks to everyone.
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Old 04-28-2009, 04:50 PM   #9
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I just knew someone from BMW monitored this site. Ahhhh Haaaa - BMW lurkers.

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Old 05-01-2009, 10:01 PM   #10
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So someone called me from BMW USA. I have already had a two conversations, we are still arguing about what is failed and defective part. It's a big problem, a BMW is recognizing only a full failure, where epa.gov is defined - "The law does not require that you fail every I/M test in order to trigger the warranty. If a valid test shows that you have an emission problem or there is a defective part, you should get it fixed, while your vehicle is still within the warranty period."
So I'm in process of fighting between BMW USA and dealer.
here website
http://www.epa.gov/obd/warranties.htm
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Old 05-01-2009, 10:12 PM   #11
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I am with BMW of North America, LLC. I've passed this message on to a BMW NA Customer Relations Representative who will be in touch with you soon.
That is awesome!!
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Old 05-01-2009, 10:31 PM   #12
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any ideas on how much a new catalyitic converter is cus i hit a pretty decent size boulder at school and dented my catalyitic converter and two resonators pretty bad along with some other stuff under my car and im hesitant to bring it to BMW for a estimate
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Old 05-01-2009, 10:42 PM   #13
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New catalytic is about 900 bucks, the dealer told me it's about $3000 job.
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Old 05-01-2009, 10:58 PM   #14
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get these headers for 800 with an added 20 HP if your going to do anything! Link to headers
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Old 05-02-2009, 08:40 AM   #15
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Originally Posted by shadyb421 View Post
any ideas on how much a new catalyitic converter is cus i hit a pretty decent size boulder at school and dented my catalyitic converter and two resonators pretty bad along with some other stuff under my car and im hesitant to bring it to BMW for a estimate
You may have banged up your exhaust but you didn't hit the cats. They are integrated into the exhaust manifold and well out of reach of any "boulders" you may have driven over.
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Old 05-14-2009, 01:04 PM   #16
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Hi,
I'm keep moving forward with my cat's problem. I have had already a couple conversations with BMW NA Customer Relations Representative, so they will inspect it again on May 26 at dealership. I will post update.
A big Thanks to BMW NA Customer Relations and this forum. This forum is really working and sending a msg to BMW NA.
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Old 05-14-2009, 01:19 PM   #17
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I don't know that they'll replace them because there's a rattle, only if they won't pass inspection.

Anyway, good luck.
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Old 05-14-2009, 03:37 PM   #18
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just gut em that'll make em fail the inspection..haha...
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Old 05-14-2009, 05:16 PM   #19
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Make sure its the cats and not a heat shield rattling heat shields are not covered the Cat is!!! There is a difference... Search my oterh posts I poste dup how to make them pay on another thread.
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Old 05-26-2009, 02:23 PM   #20
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Update: today after inspection at Sterling BMW, shop foremen didn't find or hear rattle noise that is coming from cat. converter. But he told me, the noise is coming from exhaust lifters. He told me it's normal for some M54 engines at idle.
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