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      02-15-2013, 04:45 PM   #1
solow
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Emmison Question

Hey guys, i got 07 335i with dp's, i got my emission this month and i do have the jb4 allready. i went to get the dpfix it says that its already in the jb4...what should i do with my mapping and should i get the dpfix from bms to pass emissions...?
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      02-15-2013, 05:50 PM   #2
deadmn1337
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As far as i have read so far from the various threads on this, the jb4 auto corrects to get rid of the code but to pass the OBDII readiness you need an actual dp fix otherwise it will never read ready.
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      02-15-2013, 07:55 PM   #3
andrew335i
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Quote:
Originally Posted by deadmn1337
As far as i have read so far from the various threads on this, the jb4 auto corrects to get rid of the code but to pass the OBDII readiness you need an actual dp fix otherwise it will never read ready.
This.

What the jb4 does it automatically deletes any codes that pop so you don't have a check engine soon light however, it's equivalent to manually resetting it. Meaning you're car will say "not ready"when it is connected to the OBD scanner. The only way around this is the DP fix which will allow you to pass emissions.. And also not delete any codes that may be very important which aren't related to the downpipes.
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      02-15-2013, 10:43 PM   #4
solow
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yeah thats what i got out of all this aswell tx guys
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