Thread: M Performance Exhaust
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      08-30-2020, 11:44 PM   #9
MG 228i
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Drives: Z4 m40i, 340i 6MT, i3S
Join Date: Aug 2014
Location: Los Angeles

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Unplugging works.
I have the Active Autowerke catted downpipe with the valve unplugged.
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2017 340i - ZMT, ZTR, Z11, Z08
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