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      10-05-2012, 10:14 AM   #39
Bobbybmw22
JB4, BMS intake
United_States
4
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Drives: White BMW 335xi Coupe
Join Date: Aug 2012
Location: Millstone

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2008 BMW 335xi  [0.00]
Quote:
Originally Posted by GOTMH8N View Post
My JB4 and cone intakes put down 320whp on a low reading dyno. It's a huge difference over stock. Plus you can run a lil e85 and make another 30whp
I want to do the same setup to my 335xi coupe but is there any long term damage to anything from the jb4 i just get soo many mixed reviews about putting a tune chip in