Thread: I gutted my cat
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      05-21-2019, 11:42 PM   #66
Poochie
Luxury at the redline :)
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Drives: 2016 M2
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Quote:
Originally Posted by Zanity View Post
Quote:
Originally Posted by Poochie View Post
Damn, I was rooting for you...

It was good while it lasted..

I never heard of a catless F series BMW without a CEL, it will keep popping up unless you disable the system with a tune.

I recently spoke to a tech at Dinan and he informed me that modern BMWs have 12 different checks dedicated just to emission fault detection. It was inevitable you would get a CEL.
This thread had a lot of people who used the defouler and worked long term with no CEL though:

https://f30.bimmerpost.com/forums/sh...+plug+defouler
If you read further, the OP mentioned that he eventually gotten a CEL.

Spacers and Cat Simulators used to work with older E series BMW when they use the Siemens MSD80 ECU, these new Bosch units they don't.

You'll eventually spring a CEL.

Sorry.
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