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Limegrntaln · 07-10-2021, 05:44 PM

Does the JB4 remove the 155 Governor, or trick the ECU into thinking its removed? Doesn't make sense to order the $2,500 M drivers for a top end speed bump, and a class.

07-10-2021, 05:44 PM	#77
Limegrntaln Major General 13474 Rep 6,962 Posts Drives: 2022 DG/BLk xDrive M4C Wk 34 Join Date: Mar 2008 Location: Sacramento Area iTrader: (3) Garage List 2022 G82 M4 Competi ... [9.23]	Does the JB4 remove the 155 Governor, or trick the ECU into thinking its removed? Doesn't make sense to order the $2,500 M drivers for a top end speed bump, and a class.
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