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Uponone76 · 05-11-2014, 02:09 PM

Why do you have to run such high octane gas to achieve 360+whp? What are the limiting factors of the N55 engine? I would think this motor should be able to get 400whp with the appropriate mods on just 93 octane.......

Where am I going wrong?

05-11-2014, 02:09 PM	#18
Uponone76 Second Lieutenant 83 Rep 236 Posts Drives: BMW M4 Join Date: Apr 2014 Location: Delaware iTrader: (0)	Why do you have to run such high octane gas to achieve 360+whp? What are the limiting factors of the N55 engine? I would think this motor should be able to get 400whp with the appropriate mods on just 93 octane....... Where am I going wrong?
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