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Old 09-17-2012, 03:34 PM   #285
bryce-o
Registered User
 
Join Date: Nov 2011
Location: texas
Posts: 172
My Ride: 330Ci ZHP 3 pedal
well, it's most likely user error. our cars are all wired the same. if installed correctly, an o2 sim will keep the CEL off, allow readiness to be set, and emissions testing to be passed indefinitely. i've never experienced any issues using o2 sims. no CEL, not codes, no problems.
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