BMW 3-Series (E90 E92) Forum - View Single Post - Why is My Exhaust Butterfly Valve Permanently Open! BMW E90

nottibimmer · 11-05-2010, 02:32 PM

Nice! So basically there is nothing wrong and it is acting as it should. I went all OCD for nothing

p.s. i think the 325i and 335i butterfly flaps act differently than 330i

11-05-2010, 02:32 PM	#9
nottibimmer Notti Bimmer 30 Rep 129 Posts Drives: E90 JB 330i Join Date: Aug 2010 Location: Seattle iTrader: (0)	Nice! So basically there is nothing wrong and it is acting as it should. I went all OCD for nothing p.s. i think the 325i and 335i butterfly flaps act differently than 330i __________________ E90 330i Jet Black Sport/Prem
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