Combox Harness / Adapter Question

stlnyc · 04-26-2023, 09:50 AM

Hi everyone -- am planning on TCU / MULF >> Combox BN2000 upgrade on my e92 and am looking at these 2 pre-made harnesses on eBay:

https://www.ebay.com/itm/324876254004
and
https://www.ebay.com/itm/134259381337

Can someone explain to me what those 2 loose wire / leads are for in the 2nd item? See image below.

Name: s-l1600.jpg
Views: 153
Size: 72.3 KB

Name: s-l1600.jpg
Views: 153
Size: 72.3 KB

Thanks!

sam9116 · 04-29-2023, 06:20 PM

power and ground?

04-26-2023, 09:50 AM	#1
stlnyc New Member 2 Rep 15 Posts Drives: 2008 E92 M3 Jerez Black Join Date: Feb 2009 Location: Philly, PA iTrader: (0)	Combox Harness / Adapter Question Hi everyone -- am planning on TCU / MULF >> Combox BN2000 upgrade on my e92 and am looking at these 2 pre-made harnesses on eBay: https://www.ebay.com/itm/324876254004 and https://www.ebay.com/itm/134259381337 Can someone explain to me what those 2 loose wire / leads are for in the 2nd item? See image below. Thanks!
	Appreciate 0 Tweet Quote

04-29-2023, 06:20 PM	#2
sam9116 Private First Class 16 Rep 104 Posts Drives: Join Date: Apr 2017 Location: Edmonton, Alberta, Canada iTrader: (0)	power and ground?
	Appreciate 0 Quote