Thread: JZW- Ecu stg 4 makes 447whp
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      03-03-2013, 12:09 PM   #6
Stohlen
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Drives: AW 135i
Join Date: Aug 2012
Location: Waterford, Mi

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2008 BMW 135i  [5.66]
Those numbers seem real low. And what do you mean by stage four tune? Is there a stage 1, 2 and 3 tune?
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