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      02-24-2018, 03:16 AM   #206
tonyec7
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Drives: 228i M Sport
Join Date: Mar 2017
Location: SouthWest

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For those of you that installed the 335i exhaust on the 328i, is your exhaust valve always open no matter what mode you're in?
I installed a m235i exhaust on my 228i (wrong sub I know). And it seems to stay always open after the initial 30 seconds after turning on my car. I hear it opening up and never closing if I go to Eco or comfort.