Smog Test

cykes · 09-26-2013, 04:17 PM

So I went in for a smog check for my 07' 335i and I did not pass smog. I passed the visual inspection, emissions test, but not the functional check. It says the reason why: "This vehicle did not pass the OBD System Check because its OBD system was not ready to test". I asked the technician and he said I'm suppose to drive it a certain amount of miles for it to be ready. Can someone help me and explain what this means and how I can pass? Thanks.

GoRomeo · 09-26-2013, 04:19 PM

weird.. i never heard such a thing... yeah drive it but to a different shop...

cykes · 09-27-2013, 11:15 AM

Actually, will I pass if I have a jb4 installed? I think this is the reason why I'm not passing smog.

deadmn1337 · 09-27-2013, 02:01 PM

See your other thread for my full response but basically after switching maps the 02 sensors have to be rechecked by the computer. This is done but going through several heat cycles and 80-100 miles of driving. Make sure Autoclear is set to off as that will keep clearing the readiness test causing your issue.

09-26-2013, 04:17 PM	#1
cykes Enlisted Member 1 Rep 39 Posts Drives: 07' 335i Join Date: Jul 2012 Location: Fullerton iTrader: (1)	Smog Test So I went in for a smog check for my 07' 335i and I did not pass smog. I passed the visual inspection, emissions test, but not the functional check. It says the reason why: "This vehicle did not pass the OBD System Check because its OBD system was not ready to test". I asked the technician and he said I'm suppose to drive it a certain amount of miles for it to be ready. Can someone help me and explain what this means and how I can pass? Thanks.
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09-26-2013, 04:19 PM	#2
GoRomeo Brigadier General 1251 Rep 4,166 Posts Drives: 330i, 135i Join Date: Feb 2006 Location: San Diego CA iTrader: (0) Garage List 2008 BMW 135i [9.50] 2006 330i [6.75]	weird.. i never heard such a thing... yeah drive it but to a different shop...
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09-27-2013, 11:15 AM	#3
cykes Enlisted Member 1 Rep 39 Posts Drives: 07' 335i Join Date: Jul 2012 Location: Fullerton iTrader: (1)	Actually, will I pass if I have a jb4 installed? I think this is the reason why I'm not passing smog.
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09-27-2013, 02:01 PM	#4
deadmn1337 Captain 39 Rep 656 Posts Drives: 2016 EB 435i Join Date: Mar 2010 Location: Long Beach iTrader: (11)	See your other thread for my full response but basically after switching maps the 02 sensors have to be rechecked by the computer. This is done but going through several heat cycles and 80-100 miles of driving. Make sure Autoclear is set to off as that will keep clearing the readiness test causing your issue.
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