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2010 2011 BMW 5 Series Forum F10 Missing Secondary cat on my 550! |
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03-07-2017, 10:59 PM | #1 |
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Missing Secondary cat on my 550!
Hey guys,I live in Socal and I brought a used 550i 6 month ago from a local non-bmw dealer. Today, I decided to put a new set of catback exhaust in my car. However, I found the car's secondary cat(under driver's seat) is missing and the muffler shop owner tell me that I cannot pass the smog test If I don't have them. I am wondering if someone have the secondary cat could sell them to me and I will be much appreciated. Thank you!
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03-07-2017, 11:52 PM | #2 | |
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03-08-2017, 01:27 AM | #3 |
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oh,ok then I think I would be fine with the smog test right? IF they ask about it just tell him that is used to be two resonators right? This is my first car, and I never done the smog test before in California...
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03-08-2017, 04:48 PM | #4 | |
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but yea, just tell the inspection guy that they are resonators and you should be fine. |
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03-08-2017, 04:56 PM | #5 |
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They're not secondary cats, you can go on realoem.com or getbmwparts.com and see the diagram. I have installed the OEM competition package exhaust and they have those resonators removed.
My stock exhaust had the twin resonators and I sold them on this forum. OP, you'll smog just fine. All they do is look under your hood and then plug their tester to your OBD port. |
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