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      12-31-2019, 09:05 AM   #7
smass
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Drives: 06 325i - 10 335i
Join Date: Sep 2010
Location: Scottsdale, AZ

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Garage List
2010 E90 335i  [0.00]
2016 F15 35i  [0.00]
2003 E53 3.0  [0.00]
2006 E90 325i  [0.00]
As suspected, MULF is the only option you have on the fiber system. In your case, a bad mulf would not affect other components. You probably want to scan the cars modules. If the mulf does not respond, you may want to swap it out. Or do a combox retrofit to get full bluetooth with music.
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