Originally Posted by taibanl
Exwood, you could always return it, get a technic harness and an xd 600/6 and new fronts and it will sound great!
I still recommend you adjust the PDF level though,
In BMW's opinion, this is an 'electronic', and thus isn't returnable.
I'm confident that we can come up with a workable solution. I'm also confident that BMW won't come up with a fix, because they believe there is not a problem.