BMW 3-Series (E90 E92) Forum - View Single Post

Manuts · 02-05-2013, 02:47 PM

If you currently have an JB3, you need to modify the harness in order to install the JB4. You also need to install a power wire. See link below

http://www.e90post.com/forums/showthread.php?t=489350

02-05-2013, 02:47 PM	#3
Manuts New Member 0 Rep 12 Posts Drives: 328i Join Date: Mar 2012 Location: SoCal iTrader: (0)	If you currently have an JB3, you need to modify the harness in order to install the JB4. You also need to install a power wire. See link below http://www.e90post.com/forums/showthread.php?t=489350
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