AR DP's ... dumb question before install

mattyjman · 10-15-2011, 10:48 AM

My AR Dp's (catless) have two bungs on each pipe, but in my looking at the installation diy's, my understanding is that there is only one o2 sensor per pipe. Is this wrong? If not, why the other bung, and how do I fill it?

KyLu II · 10-15-2011, 10:50 AM

Reread diy

Bagelfast · 10-15-2011, 11:01 AM

Top sensor and lower sensor, 2 per pipe. dont mix each pipes specific sensor.

mattyjman · 10-15-2011, 11:02 AM

told you dumb question... thanks guys... i knew i was missing something

Mike@N54Tuning.com · 10-15-2011, 12:41 PM

There are two o2 sensors per pipe. pre and post cat.

Mike

Bimmer This · 10-17-2011, 10:52 AM

duh! J/K

ar design · 10-17-2011, 01:07 PM

Quote:

Originally Posted by Mike@N54Tuning.com

There are two o2 sensors per pipe. pre and post cat.

Mike

QFT

2jzn54 · 10-17-2011, 03:03 PM

Quote:

Originally Posted by 1LUMI335

Top sensor and lower sensor, 2 per pipe. dont mix each pipes specific sensor.

This.. Make sure you do not cross them. I would mark them as they do in the DIY..

10-15-2011, 10:48 AM	#1
mattyjman First Lieutenant 23 Rep 375 Posts Drives: 2008 E93 Silver Join Date: Jan 2011 Location: PHX iTrader: (4)	AR DP's ... dumb question before install My AR Dp's (catless) have two bungs on each pipe, but in my looking at the installation diy's, my understanding is that there is only one o2 sensor per pipe. Is this wrong? If not, why the other bung, and how do I fill it?
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10-15-2011, 10:50 AM	#2
KyLu II FREE DREAMK 162 Rep 9,321 Posts Drives: the shiiit! Join Date: Aug 2009 Location: Vineland, NJ iTrader: (6) Garage List 2011 Lexus LFA [3.76]	Reread diy __________________
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10-15-2011, 11:01 AM	#3
Bagelfast Lieutenant Colonel 127 Rep 1,546 Posts Drives: BMW Join Date: Sep 2008 Location: USA iTrader: (0)	Top sensor and lower sensor, 2 per pipe. dont mix each pipes specific sensor.
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10-15-2011, 11:02 AM	#4
mattyjman First Lieutenant 23 Rep 375 Posts Drives: 2008 E93 Silver Join Date: Jan 2011 Location: PHX iTrader: (4)	told you dumb question... thanks guys... i knew i was missing something
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10-15-2011, 12:41 PM	#5
Mike@N54Tuning.com Joint Chiefs of Staff 4927 Rep 116,037 Posts Drives: 2007 335i, 2015 M3 Join Date: Dec 2008 Location: N54tuning.com iTrader: (89)	There are two o2 sensors per pipe. pre and post cat. Mike
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10-17-2011, 10:52 AM	#6
Bimmer This Major General 99 Rep 6,473 Posts Drives: 2007 BMW 335i Join Date: Nov 2008 Location: Westminster iTrader: (3)	duh! J/K
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