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Old 11-12-2012, 03:03 PM   #2
Registered User
Join Date: Nov 2011
Location: texas
Posts: 172
My Ride: 2013 335is 6mt
i passed an obd-II inspection (where they check for error codes, CEL, readiness being set, etc). all i had done was wire in an o2 sim into the ECU compartment. i bought the o2 sim from works perfectly after 7k miles and plenty of mixed driving (300+ mile road trips, around town, etc).
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