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2001 330i (pre-facelift)
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That part of the trunk is used as a mounting place for stuff like the stereo amplifier, CD changer, Nav unit, etc. So if your car doesn't have those options, the wiring for them will be unused.
 

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2001 E46 330i Sedan
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408 Posts
Your car is prewired with bluetooth and CD Changer, but the modules (ULF and CD) are not installed from factory. Black connector for ULF and blue connector is for SES jumper (BMW Assist).
 

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3,451 Posts
Your car is prewired with bluetooth...
Not accurate for his 2001.

 
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