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      01-06-2017, 12:25 PM   #93
quikM2
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Drives: 2017 Jahre M3
Join Date: Jun 2016
Location: Canada

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Quote:
Originally Posted by PrematureApex View Post
Not sure if you found your answer...but you can run about 17 psi (450 whp) with the stock fuel system. If you want more power, you'll want to upgrade the fuel system.

So JB4 and a DP are all you need, at least for those power levels.
Sorry if this was covered but to clarify - with this larger turbo upgrade and a DP and the tune through the JB4 on 91 octane you can make over 400whp? No other mods? Just turbo and a dp and tune?
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