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      04-21-2021, 06:18 PM   #199
kianf22
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Drives: 2020 BMW M240i
Join Date: Jul 2019
Location: Southern California

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Quote:
Originally Posted by mike@x-ph.com View Post
Quote:
Originally Posted by kianf22 View Post
Got the 180001 code again. (This cat was replaced in december so that makes it about 4-5 months old) somewhere between 5-10k miles on it. Ugh hope it's a fluke and not my replacement cat dying again. I've taken very good care of this cat, had stock burbles on and only put it in sport once the car was fully warm.
hundreds of AA downpipes sold, I can only remember 3 CEL reported, 2 of them are yours
I don't understand either. Never ran aggressive burble settings (stock burble or 5.5 aggression, BM3 said 5.6 is the limit for stock cat) and always waited till the car was fully warm before putting it in sport. I've been babying this cat since I've had to replace it once already.

The first time we figured I just had an older version, but I have what I believe to be the latest version now and it's doing the same thing again. If it follows what it did last time I'm probably going to have this code for a little bit, followed by increased smell and then eventually a CEL. Not sure what to make of it. Might switch to catless at this point and then if I do I will have to rethink of what to do with my exhuast as well since I have non resonated pipes
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