why do you think your cel was caused by an o2 sensor if you threw a cam position sensor code.
get an OEM one from the dealer.
O2 sensors will never cause sporadic idle (if they do, unplug them, car will run fine without them)
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2002 TiAg M3 6mt
deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 220M 19's, Michelin Supersports
2006 YZF-R6, black, ohlins, pazzo, BMC, cat delete, vance hines csone, YEC racing tune,-1 +2