Thread: Tuning question
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      10-30-2009, 05:40 PM   #1
Latvianstallion
Latvianstallion
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Drives: 2009 z4 s35i
Join Date: Oct 2009
Location: columbia, SC

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Tuning question

What is the trade off for tuning an E89 s35i? Worse milage? Why does the factory not just include the max power outage in the sport switch? Is increasing the turbo boost safe for the engine? Questions questions from a newbie. Well, previous Boxster and 4th BMW. First really fun, totally impractical BMW!