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      02-13-2012, 04:02 PM   #68
rchaas
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United_States
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Drives: 2009 Z4 SDrive3.5i
Join Date: Sep 2009
Location: Tulsa

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2009 Z4 35i  [0.00]
2011 BMW X3  [0.00]
I'm thinking about this upgrade for my 09 35i. Wondering if it is important or necessary to add an improved intercooler and/or charge pipe/diverter valve such as the Stett upgrades, to preserve turbo life?
Appreciate 0