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basemodel325 · 02-06-2017, 02:12 PM

my n63 sounds like its knocking bad, nothing but a lean code.... dealer wants to replace o2 sensors. what do you guys think? 71000 miles

02-06-2017, 02:12 PM	#105
basemodel325 New Member 6 Rep 29 Posts Drives: bmw 550i Join Date: Feb 2016 Location: lr arkansas iTrader: (0)	my n63 sounds like its knocking bad, nothing but a lean code.... dealer wants to replace o2 sensors. what do you guys think? 71000 miles
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