Hmmm... sure interested to hear how this one turns out. Three of my speakers have no sound. I've been hoping to find a wiring diagram for my system so I can trace which wires are supposed to be carrying the speaker signals and isolate the problem. So far I've had no luck finding a diagram (the one in the Bentley book doesn't match). It's DSP with 10 (or is it 12?) speaker system. If eyeiieye's problem turns out to be the tuner like hunds02, then I might focus there. Hunds02, did you have to have the new tuner coded for your vehicle?

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2009 X5 3.0
2001 X5 4.4 - Sold