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SouthShoreM3 · 03-20-2014, 07:23 PM

You can remove them and see what they are doing. Car may or may not throw a code. Mine had check engine light on, but no actual codes or emissions issues.

03-20-2014, 07:23 PM	#22
SouthShoreM3 Passes everything but the gas station 49 Rep 795 Posts Drives: 2010 E90 M3 Join Date: Jul 2010 Location: Boston, MA iTrader: (2)	You can remove them and see what they are doing. Car may or may not throw a code. Mine had check engine light on, but no actual codes or emissions issues.
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