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      03-21-2013, 04:45 PM   #19
Beedub
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Drives: 2007 Z4 M roadster vt2-500
Join Date: Sep 2007
Location: UK

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Quote:
Originally Posted by tom @ eas
Quote:
Originally Posted by Beedub View Post
I also have the grey injectors ... Guessing its the tune that unlocks the extra power ........
Keep in mind, we are only on 91 octane here in SoCal.

Those with higher octane levels will definitely benefit more, we ran 100 octane on the track but have not dynoed with higher octane fuel yet.
Thanks for your honest opinion on both kits btw ;-) you didn't say alot but what you did say was worth a thousand words ;-)
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