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1992 BMW 325i Radio Wiring Guide


Question: Where can I find a 1992 BMW 325i radio wiring diagram? What are the 1992 BMW 325i radio wiring harness colors?

If you’re looking to change the radio in your 1992 BMW 325i or troubleshoot why your car radio stopped working, we’re here to help!

Our comprehensive 1992 BMW 325i radio wiring diagram shows you all the radio wire harness colors, car speaker wiring colors and car speaker sizes. Use our 1992 BMW 325i stereo wiring guide to help you with your car radio and installation needs.

1992 BMW 325i Radio Wiring Diagram

This 1992 BMW 325i radio wiring chart shows you all the 1992 BMW 325i radio wire colors and their functions. Utilize this guide to help you with a car radio install or help with a car radio troubleshoot. If you don’t see the car radio wiring information you’re looking for, please feel free to ask your question at the bottom of this page.

Application Radio Wire Color
Car Radio Battery Wire (Constant Power 12v+) Red/White
Car Radio Accessory Wire (Switched Power 12v+) Purple/White
Car Radio Ground Wire Brown
arrow Use a Car Radio Wiring Harness and Car Radio Dash Kit for an Easy Install!
Car Radio Illumination Wire N/A
Car Stereo Dimmer Wire N/A
Car Radio Antenna Trigger Wire White
Car Radio Speaker Amplifier Turn-On Trigger Wire N/A
Car Radio Subwoofer Amp Turn-On Trigger Wire N/A
Car Radio Mute Wire N/A
Car Radio Amplifier Location N/A
arrow Use an Amp Integration Harness to Connect Your Factory Amplifier to an aftermarket radio.

1992 BMW 325i Speaker Wiring Guide

This 1992 BMW 325i speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 1992 BMW 325i speaker wiring guide to help you with a speaker replacement or speaker upgrade. If the car speaker wiring information you’re searching for is not listed, please don’t hesitate to ask for it at the bottom of this page.

Application Speaker Wire Color
Front Center Speaker Positive Wire (+) N/A
Front Center Speaker Negative Wire (-) N/A
arrow Upgrade your Center Speakers for awesome sound!
Front Left Tweeter Positive Wire (+) N/A
Front Left Tweeter Negative Wire (-) N/A
Front Right Tweeter Positive Wire (+) N/A
Front Right Tweeter Negative Wire (-) N/A
arrow Upgrade your Tweeters for cleaner audio highs!
Front Left Speaker Positive Wire (+) Yellow/Red
Front Left Speaker Negative Wire (-) Brown/Orange
Front Right Speaker Positive Wire (+) Black/Red
Front Right Speaker Negative Wire (-) Brown/Orange
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Left Tweeter Positive Wire (+) N/A
Rear Left Tweeter Negative Wire (-) N/A
Rear Right Tweeter Positive Wire (+) N/A
Rear Right Tweeter Negative Wire (-) N/A
arrow Upgrade your Tweeters for cleaner audio highs!
Rear Left Speaker Positive Wire (+) Yellow/Black
Rear Left Speaker Negative Wire (-) Black/Orange
Rear Right Speaker Positive Wire (+) Blue/Black
Rear Right Speaker Negative Wire (-) Brown/Orange
arrow Upgrade your Subwoofer for deeper lows!
Subwoofer Positive Wire (+) N/A
Subwoofer Negative Wire (-) N/A

1992 BMW 325i Speaker Sizes and Location

This 1992 BMW 325i speaker size chart shows your speaker measurements and speaker locations. Use this chart to see what speaker fits in your 1992 BMW 325i.

Application Speaker Size and Location
Front Center Speaker Size N/A
Front Center Speaker Depth N/A
Front Center Speaker Location N/A
arrow Upgrade your Center Speakers for awesome sound!
Front Tweeter Size N/A
Front Tweeter Depth N/A
Front Tweeter Location N/A
arrow Upgrade your Tweeters for cleaner audio highs!
Front Speaker Size 5.25″ Speakers
Front Speaker Depth 3″ Depth
Front Speaker Location Front Kick Panels
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Tweeter Size N/A
Rear Tweeter Depth N/A
Rear Tweeter Location N/A
arrow Use a Speaker Wire Harness for easy Speaker Installation!
Rear Speakers Size 5.25″ Speakers
Rear Speaker Depth 3″ Depth
Rear Speaker Location Rear Deck
arrow Upgrade your Subwoofer for deeper lows!
Car Subwoofer Speaker Size N/A
Car Subwoofer Speaker Depth N/A
Car Subwoofer Speaker Location N/A

Questions and Answers

If you have any questions about your 1992 BMW 325i radio installation, please don’t hesitate to post them at the bottom of this page. We’re committed to finding the answers you need, and members of the Modified Life community may also provide valuable insights into the car stereo information you’re looking for. Don’t hesitate to ask your car audio question; it could benefit others seeking the same answers!

Contribute

Do you want to contribute 1992 BMW 325i stereo wire diagram information to benefit the Modified Life community? Feel free to share your insights by posting at the bottom of this page. We will gather any additional information presented below by our community, verify it, and incorporate it into the car radio wiring guide above for easy reference. We are consistently adding new information to improve and update this car stereo wiring guide as it becomes available. We appreciate your contribution in advance!

3 thoughts on “1992 BMW 325i Radio Wiring Guide”

  1. Have you restarted the radio? I had this problem as well so I went to the BMW place to check it out and here is what they told me to do:
    1. try the code and if it beeps before you finish or still doesn’t work then stop
    2. put your key in the ignition and turn it to two clicks. you do not need to have your car running, just the power on so the radio works.
    3. After trying the code the first time, if it still doesn’t work then leave the radio on. DO NOT TOUCH ANYTHING FOR ABOUT 2 HOURS. This restarts the radio. the reason why you might hear a beep in the middle of typing in your code is because it’s starting or stopping at the wrong spot.
    EX: code 12345
    you enter 12(BEEP)345 this means that after the beep you type in the code 345, then when you enter 12(BEEP) the radio is reading 34512 as the code.
    after 2 hours have past, go back in your car and try the code again. if it doesn’t work then you have to go to a BMW dealership and have them check it out for you. Hope this helps!

  2. Hello, I just bought a 1992 BMW 325i sedan. When I turn the radio on the word “CODE” appears and the radio dosen’t work. I found the 5 digit radio code with the paperwork, followed the instructions on how to put the code in but it still dosen’t play. Maybe I am leaving out a step or someone know the proper proceedure to make my radio work! Please Help

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