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stock deck subwoofer addition
I'm looking to add either a 10 or a 12 to my car but since I have the stock deck with sub control I'm trying to figure out how I could use the stock deck and sub control to benefit the sub.
When I try to use the sub control now without a sub nothing happens to the bass.
Anyone have any information on how I'd be able to add a sub to the stock deck and any procedures?
I have an 07 328xi
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