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Car Stereo Radio Wiring Diagram- 1999 BMW 5 Series (528i 540i)


Whether your an expert installer or a novice enthusiast with a 1999 BMW 5 Series (528i 540i), an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any mobile electronics is identifying the correct wires for a 1999 BMW 5 Series (528i 540i).

The Modified Life staff has put their heads together to create an invaluable resource containing car stereo wiring diagram, car wiring diagram and radio wiring diagram. Feel free to use any car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 1999 BMW 5 Series (528i 540i).

If you can’t find your car radio or stereo wire diagram on Modified Life, please feel free to post a car wiring diagram request at the bottom of this page and we’ll do our best to find you the information you need for your mobile installation.

1999 BMW 5 Series Car Stereo Radio Wiring Diagram

Radio Constant 12V+ Wire: N/A
Radio Switched 12V+ Wire: Purple
Radio Ground Wire: Brown
Radio Illumination Wire: N/A
Radio Dimmer Wire: N/A
Radio Antenna Trigger Wire: N/A
Radio Amp Trigger Wire: N/A
Front Speakers Size: 5 1/4″ Speakers
Front Speakers Location: Doors
Left Front Speaker Wire (+): Yellow/Red
Left Front Speaker Wire (-): Yellow/Brown
Right Front Speaker Wire (+): Blue/Red
Right Front Speaker Wire (-): Blue/Brown
Rear Speakers Size: 5 1/4″ Speakers
Rear Speakers Location: Rear Deck
Left Rear Speaker Wire (+): Yellow/Blue
Left Rear Speaker Wire (-): Yellow/Gray
Right Rear Speaker Wire (+): Blue/Purple
Right Rear Speaker Wire (-): Blue/Gray

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