BMW M3 Forum (E90 E92) - View Single Post

alfalfa · 06-14-2020, 02:57 AM

ECU learns the final ratio and this is never fix 3.15, 3.45 or 3.62. You can read this with INPA.
Ratio has to be changed at TCU.

06-14-2020, 02:57 AM	#7
alfalfa Private 43 Rep 69 Posts Drives: E92 M3 Join Date: Feb 2019 Location: Munich iTrader: (0)	ECU learns the final ratio and this is never fix 3.15, 3.45 or 3.62. You can read this with INPA. Ratio has to be changed at TCU.
	Appreciate 0 Quote