BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - Center Console Aux/USB Not Working, 12V OK

sonick · 11-27-2018, 11:09 AM

Spent some time trying to trace this down more, I think I narrowed it down to a faulty mulf2 high unit. Looks like the previous owner put in an optical loop to bypass the mulf2 high and went straight into the TCU unit that's in there.

11-27-2018, 11:09 AM	#2
sonick New Member 2 Rep 11 Posts Drives: 128i Join Date: Nov 2018 Location: Vancouver iTrader: (0)	Spent some time trying to trace this down more, I think I narrowed it down to a faulty mulf2 high unit. Looks like the previous owner put in an optical loop to bypass the mulf2 high and went straight into the TCU unit that's in there.
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