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      05-24-2013, 05:43 PM   #209
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by 335iSmiley View Post
Hi there I was wondering with your newest JB4 chip if i were to get it then install catless downpipes would I still have a check engine soon light or would the chip remove that. Reason i am asking this is i need to take a emissions test and if i am showing a code they will fail me.
PM Sent..

The JB4 has built in code clearing but depending on the type of test you need to take you amy need o2 readiness which would require the BMS DP Fix.

Mike
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