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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 04-19-2013, 10:14 PM   #1
Chrisbush16
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Join Date: Apr 2013
Location: Ny
Posts: 1
My Ride: 325xi
P2096

Hey guys this code is driving me crazy. I have read what other people have done and I've done it all and 2096 keeps coming back. I've replaced post cat o2 sensors, intake boots, valve cover gasket, check for exhaust leaks, and checked everywhere for intake leaks. My o2 readings are good when I check on the scanner. The only thing I can think of that's left is the maf. I can't find a solid answer to what the reading should be. If anyone has any insight please let me know. Thanks in advance.
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Old 04-21-2013, 01:25 AM   #2
adrian8507
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Join Date: Jun 2012
Location: New York
Posts: 85
My Ride: E46 325xi 2002
You should use a better code reader so you can delete the errors out of the computer some scanners are not that efective on bmws
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Old 04-21-2013, 01:29 PM   #3
White_Knuckles
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Join Date: May 2009
Location: Washington (the state)
Posts: 1,565
My Ride: 2003 325xi
2096 code is a generic emission code that any OBDII reader can detect and clear where a "better" code reader won't help. What you have is a deeper problem where the exhaust stream, post cat, is detected as lean. This can be difficult to troubleshoot where after installing common suspected parts you hit the wall.

You have a couple options.

1) take it to a dealer or independent shop with proper diagnostic equipment that monitors your system in real-time to analyze what's going on.

2) download this software and order a USB-OBD port cable. This product basically is an analyzer (logger) that may reveal the issue when compared to their base-line graphs. Problem is interpreting the graphs to determine the source. Intake leaks often toss other codes and mis-fire symptoms. You need a window into the system.
http://bimmersoftware.com/bmwlogger

3) Spray starting fluid around suspected areas listening for the idle to pick up. This sometimes works but a smoke test is preferred. Continued guessing is a roll of the dice whether you'll get lucky.
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