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      11-02-2011, 05:14 PM   #11
jjurroz
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Drives: 2018 F80 M3 ZCP
Join Date: Sep 2010
Location: Ft. Lauderdale, FL

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It's a boost signal switch for the pump. Because your CP didn't come with the meth kit, you may have to drill a hole and tap the boost switch yourself.




Quote:
Originally Posted by Pepe_pr View Post
I have the 2 meth buns and the flow sensor, what is the boost switch? Thats the one i dont have. What is the circle besides the 2 meth buns? It looks metalic,
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