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      02-26-2013, 06:09 PM   #3
ErvGotti
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Drives: 2008 135i 6MT
Join Date: Jul 2010
Location: Aviano

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2008 135i  [6.00]
It'll be useless on the stock turbo's. The stock turbo's will only flow so much air before it's out of breath. I can only see this mod being useful to those who have a single turbo upgrade and have maxed the amount of air the heads can handle .

Also with any mod it is always better to get a custom tune if you want the most HP and TQ out of it.
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