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      04-20-2018, 07:49 AM   #23
jmwilson125
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Drives: 2016 M235i
Join Date: Feb 2015
Location: Somerville, Ma

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Quote:
Originally Posted by frenchfry675 View Post
Hahaha. I think your right. I have the cat simulator but haven’t put it on yet. I’ve read mixed reviews on how long it actually works for so I’m waiting until my emissions are due. I really hate swapping pipes back and forth.
That little black plastic box with the led light on it? I tried it. It did nothing for me so I removed it.
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