1989 BMW 325i Car Radio Stereo Wiring Diagram

Whether your an expert BMW electronics installer or a novice BMW enthusiast with a 1989 BMW 325i, a car stereo wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car stereo, car radio, car speakers, car amplifier, car navigation or any car electronics is identifying the correct color wires for a 1989 BMW 325i headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its BMW car radio wiring diagrams, BMW car stereo wiring diagrams, BMW car wiring diagrams and cataloged them online. Feel free to use any BMW 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 and most of the diagrams listed on our enthusiast website are submitted by the Modified Life community. 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 1989 BMW 325i.

If you can’t find your car stereo wiring diagram or car radio wiring diagram on Modified Life, please feel free to post a car wiring diagram request (Car Stereo Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

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1989 BMW 325i Car Stereo Radio Wiring Diagram

Car Radio Constant 12V+ Wire: Purple
Car Radio Switched 12V+ Wire: Brown
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: N/A
Car Radio Dimmer Wire: N/A
Car Radio Antenna Trigger: N/A
Car Radio Amp Trigger Wire: N/A
Front Speakers Size: 5 1/4″ Speakers
Front Speakers Location: Kick Panels
Left Front Speaker Wire (+): White
Left Front Speaker Wire (-): Black
Right Front Speaker Wire (+): White
Right Front Speaker Wire (-): Black
Rear Speakers Size: 5 1/4″ Speakers
Rear Speakers Location: Rear Deck
Left Rear Speaker Wire (+): White
Left Rear Speaker Wire (-): Black
Right Rear Speaker Wire (+): White
Right Rear Speaker Wire (-): Black1988 BMW 325i Car Radio Stereo Wiring Diagram

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