Thread: What DIY have you done?
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      12-14-2012, 12:52 PM   #57
rking117
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Drives: Z4 3.0i & 320i
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Quote:
Originally Posted by ZheHbKa View Post
when you unplug the hose near your right side exhaust to keep the flap open at all time. creates a deeper sound. i think this is the fastest DIY
not sure if i understand can you take a pic of the mod?
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