Thread: Z4 M Coupe Dyno
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      04-30-2015, 06:12 AM   #14
JCF
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Drives: 07 Z4 M Coupe
Join Date: Jan 2015
Location: Charlotte, NC

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Quote:
Originally Posted by bjbstewart View Post
Wait, what? Carbon Filter Delete? What mod is this and how many HP??
Don't get excited
It's maybe 1HP max by removing it. It's on the top lid of the air box and is there to prevent engine smell when you turn off the car.
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