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      06-15-2015, 05:13 AM   #5
Cattivo
FDNY Engine 55
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Drives: X5M, X5 50i Msport, EscaHoe
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Quote:
Originally Posted by vinhvle View Post
I'm glad I could help out a little bit. In general, fuel injectors are normally upgraded whenever you install power adders so I assumed you'd need to upgrade the fuel or ignition system in the X if you tune it because the gains are so significant. Given the price of new fuel injectors alone, I've been reluctant to get a tune.
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