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DeutschRennfahrer · 03-07-2015, 08:06 PM

There wasn't anything plugged into them. No O2 sensor that I could see. I thought they were either resonators or secondary cats that wouldn't throw a code if removed. Am I wrong?

03-07-2015, 08:06 PM	#4
DeutschRennfahrer Private First Class 39 Rep 115 Posts Drives: 2006 Z4 3.0i - Saphire Black Join Date: Jan 2015 Location: Nashville, TN iTrader: (0)	There wasn't anything plugged into them. No O2 sensor that I could see. I thought they were either resonators or secondary cats that wouldn't throw a code if removed. Am I wrong?
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