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business cassette

  1. D.I.Y E46 Aux Input for Business Cassette H.U

    BMW DIY Guides
    So for a while now Ive been looking for a way to hook an Aux input to my head unit. I have the business cassette H.U, in a 2001 320D. Everything Ive read says that, if you have the c.d head unit ,you can buy an after-market loom, plug it in the c.d changer port on the back, thus replacing the...
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