Thread: no power
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      11-05-2012, 09:49 PM   #9
white08135i
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Drives: 08e90335i
Join Date: Sep 2012
Location: Norcal

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well when i bought the car i took the cabin filter out and the cowl to see if it had a jb. i had jb3 on my 135i before. not familiar with jb4, but i would guess it hooks up just like jb3? and yes i scanned it with a tool.