2003 BMW 540i Radio Wiring Diagram?

Question

I am looking for a radio wiring diagram for my 2003 540i BMW. I cannot find one for the life of me. I came close once and none of the colors matched. Thanks in advance for all your help!!

Answer 1

the factory fitted unit is of some brands eg - alpine , pioneer, blaupunkt.

first find out which brands it is.

then take download wiring diagram of that brand cd-unit from its webpage. simple!

all the units of speciifc brand used same colour codes , so you may download wiring diagram of any of the unit and use it for your unit.

hope this helps.