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      11-21-2012, 04:58 AM   #3
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Drives: LPCs
Join Date: Dec 2006
Location: California Central Coast

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Garage List
2011 328i Coupe  [0.00]
1990 325i  [0.00]

It's either a TCU or COMBOX (MULF HI). Both are under the mat in the trunk.

Depending on model year and how the car was optioned for a bluetooth source.

If its a COMBOX you will loose more than just the bluetooth. Some of the radio functions will be Satellite radio & USB drive.