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      08-01-2016, 07:53 PM   #24
f87CSdrifterential
First Lieutenant
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Drives: 2020 M2 CS
Join Date: Apr 2015
Location: NH

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Quote:
Originally Posted by No Style 135is View Post
How and what did you extend the O2 harness for?
Did you pass the emission recently?
On mine the down stream sensor wire was too short. I took the risk of cutting and splicing using solder and heat shrink tubing. I did look into longer O2 sensors from other BMWs incase the increased resistance caused a CEL. Never followed through with it as I didn't have any issues.

I have had my DP w/ cat back installed for over a year now and passed inspection with emissions without any issue in NH in September of last year.
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