I have a 2001 540i. My FM radio is out and the dealership says (and an independent repair shop confirmed) it must be replaced...about $1 thousand. If I am going to spend that kind of money, I would like to get newer and better technology, i.e., I-pod connectedness, XM, etc. But, the solutions I have looked at so far require removal of the onboard computer to do so. Any great solutions out there?