BMW 3-Series (E90 E92) Forum - View Single Post - M3 Secondary Cat Delete (X-pipe)

smoked · 01-12-2013, 05:31 PM

not sure about an m3 but on a non m the sensors are all on the primary, don't see y the m3 would be different.

my 335 passes an mot with no primary cats.... so don't see why not

01-12-2013, 05:31 PM	#2
smoked Private First Class 10 Rep 139 Posts Drives: 335i Touring Join Date: Aug 2011 Location: United Kingdom iTrader: (2)	not sure about an m3 but on a non m the sensors are all on the primary, don't see y the m3 would be different. my 335 passes an mot with no primary cats.... so don't see why not
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