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      10-05-2012, 10:24 AM   #40
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Drives: e90 335i JB4
Join Date: Oct 2012
Location: Cambs

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2007 BMW 335i  [0.00]
Originally Posted by Bobbybmw22 View Post
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
Have seen the 335i running 500+ wBHP on stock internals. There would need to be something already wrong with your car for the JB4 to do any damage in my opinion [have a read on the n54/n55 threads]