M5POST - BMW M5 Forum - F90 - View Single Post - Real Talk- RC Black or JB4 or..?

pbonsalb · 05-04-2022, 10:04 PM

They look about equal overall to me. Maybe the JB4 additional inputs only come to life at higher boost levels and octane or maybe you ran the JB4 with only 2 wire hookup and all the 2 wire piggybacks are in the same ballpark.

05-04-2022, 10:04 PM	#53
pbonsalb Lieutenant General 5287 Rep 10,682 Posts Drives: 18 F90 M5, 99 E36 M3 Turbo Join Date: Feb 2011 Location: New England iTrader: (4)	They look about equal overall to me. Maybe the JB4 additional inputs only come to life at higher boost levels and octane or maybe you ran the JB4 with only 2 wire hookup and all the 2 wire piggybacks are in the same ballpark.
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