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So
04-24-2008, 03:49 AM
Hi Members

I have a question regarding the speaker and sound arrangement on the M3's (sedan) I bought the car ad its an absolute beaut. One gripe is that the previous owner had an aftermarket radio installed. I now have a problem where all the speakers are not playing. I reviewed the wiring to the headunit and cannot seem to find the problem. Can someone provide me wih a diagram on the layout of the speaker wiring and also if the aftermarket cd player cannot support all the speakers. Also someone told me that the sound system as an amp in the boot. Can it be manipulated?

Thanks

4liter
05-16-2008, 07:29 AM
Hi there, I don't have a diagram, but an after market headunit has a lot more power than a OEM unit. It propably killed the OEM amp, they can't take it after a while. You have 2 options, gut the car of all OEM stuff and totally go aftermarket, or source an OEM headunit and amp and put her back together thay way it left the factory.