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G3t0ut · 08-20-2017, 12:55 PM

I checked my valves because I was going to start this mod, and my flappers were open at idle on their own. am I missing something here? do they close at some point? just seemed weird to me.

08-20-2017, 12:55 PM	#33
G3t0ut Enlisted Member 8 Rep 31 Posts Drives: White E93 M3 & Black F06 M6 Join Date: Mar 2017 Location: Pacific Northwest iTrader: (1) Garage List 2011 BMW M3 E93 [0.00] 2014 BMW M6 GC [0.00]	I checked my valves because I was going to start this mod, and my flappers were open at idle on their own. am I missing something here? do they close at some point? just seemed weird to me.
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