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      06-18-2014, 04:28 PM   #11
JETmn
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Drives: 2011 335i xDrive Msport
Join Date: Apr 2013
Location: Orlando

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Got a response from Terry and he recommends them any time you go over 15psi. So yes, you probably should have them in your application.

As far as the wires go, it is no big deal to put them on. You don't cut the car's harness at all, it gets added in the JB4 harness. I was done in under 30 minutes including soldering the wires up.
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