G20 BMW 3-Series Forum - View Single Post - I did some Dragy runs with a JB4 installed

tjohnson · 04-22-2020, 09:48 PM

OP... what kind of times can you get with 91 octane??

I have achieved a 3.9 second 0-60 with 91 octane at 4,700ft on my 100% stock car... just wondering how much difference a JB4 would actually make in my situation??

04-22-2020, 09:48 PM	#12
tjohnson Private First Class 131 Rep 127 Posts Drives: 2024 iX50 Join Date: Oct 2011 Location: Idaho iTrader: (0) Garage List 2024 BMW iX50 [0.00]	OP... what kind of times can you get with 91 octane?? I have achieved a 3.9 second 0-60 with 91 octane at 4,700ft on my 100% stock car... just wondering how much difference a JB4 would actually make in my situation??
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