Thread: I gutted my cat
View Single Post
      05-22-2019, 12:42 AM   #66
Luxury at the redline :)
Poochie's Avatar

Drives: 2016 M2
Join Date: Aug 2012
Location: NYC

iTrader: (1)

Originally Posted by Zanity View Post
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:
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.