View Single Post
      02-02-2015, 02:02 PM   #21
Cdutch513
Captain
Cdutch513's Avatar
United_States
161
Rep
699
Posts

Drives: 2010 E90 BMW 328i
Join Date: Jun 2013
Location: Oak Harbor, WA

iTrader: (0)

Garage List
2010 BMW 328I  [0.00]
Quote:
Originally Posted by Kgolf31
Quote:
Originally Posted by Cdutch513
Quote:
Originally Posted by Kgolf31
If you swap the O2 by accident the car will run like crap. It's easy to mix up if you don't document.
Do the aft sensors matter?
Yes it does.

Basically it looks at the readings and adjusts the fuel as necessary. So if you have hen flipped flopped basically one bank will run rich, the other one will run lean and they will diverge
How could I tell if they are in the right spot?
__________________
Murdered 2010 E90 328i
ESS VT1+ | BMW PE | 3IM | K Sport Kontrol Pro
Appreciate 0