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      04-30-2017, 02:17 PM   #188
TXSurfer
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Drives: 335i E92
Join Date: Nov 2007
Location: TX

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So finally got tired of Bluetooth button randomly closing exhaust valves. I went ahead and unplugged the mpe with the valves open and I've noticed cold start vibration issue is gone. Maybe with valves closed there's to much back pressure causing vibration. Sounds wicked loud though lol
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