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      06-11-2019, 12:14 AM   #6
Cyclops
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Drives: 09 E91 328i & 07 E86 M
Join Date: Nov 2007
Location: Milton

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Quote:
Originally Posted by tominizer View Post
I think I will end up..... euro header, OEM cats with relocated o2 sensors, stock x-pipe (unless my guy can make me something reasonable) and stock muffler cans. Mind you I have gutted stock muffler cans too....... just not on the car right now.
If you want to save yourself some time and aggravation with relocating the sensors you can just put in a set of mini-cats on your post O2 sensors. I've been running these now 2nd year and I only have the CEL come on in 2 circumstances;
  • the car is idling for 20mins +
  • on the track about 10mins in

In either case I just clear the code and all good. Never had is come on just driving around.

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2007 #1432 ///M Coupe Silver Gray - KW V3 Coilovers - AFE Intake - Strong-Strut Brace - Status Grupee Headers - Super Sprint Race Exhaust & Xpipe - 19" Avant Garde M359 - Stoptech 380 6 pot BBK - EPIC Motorsports Tuning ////////////2009 328xi M-Tech E91 manual 6spd

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