2000 BMW Z3 Car Stereo Wire Colors and Locations Disclaimer: * All information on this site ( the12volt ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information. Manual 2000 Bmw Z3 Speaker Wiring Diagram-Everything You downstreet›DIAGRAMManual 2000 Bmw Z3 Speaker Wiring Diagram- an in Depth Anaylsis on the Works and What Doesn't. start with Professional wiring diagram software can produce excellent wiring diagrams with less time. Edraw wiring diagram software is a particularly designed application automating the development of wiring diagrams with built-in symbols.