BMW M3 and BMW M4 Forum - View Single Post

slobo7x · 01-29-2021, 12:38 PM

You'll be ok, you only need to register/code the battery if you are installing a brand new unit.
It tells your ECU that it's new so it can adjust the charging power based on the age of the cells.

01-29-2021, 12:38 PM	#6
slobo7x Second Lieutenant 46 Rep 240 Posts Drives: 2016 550 F10 Join Date: Jan 2009 Location: stl iTrader: (1)	You'll be ok, you only need to register/code the battery if you are installing a brand new unit. It tells your ECU that it's new so it can adjust the charging power based on the age of the cells.
	Appreciate 1 gerri200.00 Quote