BMW 3-Series (E90 E92) Forum - View Single Post - Help!!!! I Screwed-up

ctuna · 12-13-2021, 11:34 AM

Not a good idea to use battery back up in these .
It blows fuses and doesn't save anything worth saving.
Also it a mess to do because of the 5 hot +12 wires you
are dealing with on the stupid battery distribution block.

12-13-2021, 11:34 AM	#44
ctuna Lieutenant General 1911 Rep 13,104 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	Not a good idea to use battery back up in these . It blows fuses and doesn't save anything worth saving. Also it a mess to do because of the 5 hot +12 wires you are dealing with on the stupid battery distribution block.
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