Here is the stereo radio wiring information for your 2002 BMW 5-Series E39 525i, 528i, 530i, 540i and M5 with the standard, symphony, or Bose systems. It will be useful when installing an aftermarket radio, sound stereo system, or other automotive accessories. Make sure to grab the appropriate tools to test all the wires in your E39 BMW. Please check it over and use it as a GUIDE to help you locate the appropriate wires. This schematic is provided free of charge and may not be 100% accurate. Failure to properly test all the wires may lead to vehicle or bodily damage. All information is provided as-is and accuracy is not guaranteed.
If you find any conflicting info please leave a comment with what you found in your BMW 5-Series including the M5 525i 528i 530i and 540i. If you don’t see the wiring diagram you need comment and we will try to add it ASAP. Thanks for looking!
Keep in mind if you are installing a new radio you may need the radio removal keys, the wiring harness, the antenna adapter, and the mounting kit as well. See the links below to purchase these items.
2002 BMW 5-Series 525i, 528i, 530i, 540i and M5 Car Audio Stereo Radio Wiring Diagram Schematic Colors
Buy BMW - Stereo wiring Harness, Dash Install Kit. Compatible with BMW Vehicels - E46, E39, E60 320i, 323i, 325, 325i, 325ci, 328i, 330i, 330ci, 330xi, 525i, 528i. No wires to cut and no visual changes to your dash or cabin thanks to BimmerTech’s trademark installation ease - and convenient location in your trunk for the amplifier. If you’re into DIY, you’ll have the Premium Audio System (BMW amplifier upgrade) and Alpha One BMW Speakers installed and working in a couple of hours. BMW 5-Series (E39) system upgrades Correct speaker level wiring diagram for interfacing with factory head units. Use only positive (+) speaker wires. Tape off negative (-) speaker wires. Connect “+” speaker wires to RCA center pin conductors. Tie shields (audio return) together and ground to case of radio at back of radio. Repeat for 4 channel system.
Car Radio Constant 12v+ Wire: Red/Green
Car Stereo Ground Wire: Brown
Car Radio Ignition Switched Wire: Purple/White
Car Stereo Dimmer Wire:
Car Radio Illumination Wire: Gray/Red
Car Stereo Power Antenna:
Car Radio Amp Turn On Wire: White +
Left Front Speaker Wire (+) Positive: Yellow/Red
Left Front Speaker Wire (-) Negative: Brown/Orange
Right Front Speaker Wire (+) Positive: Blue/Red
Right Front Speaker Wire (-) Negative: Brown/Orange
Tweeter Speaker Wire (+) Positive: Yellow/Red (8 ohms)
Tweeter Speaker Wire (-) Negative: Yellow
Mid Speaker Wire (+) Positive: Green/Black (8 ohms)
Mid Speaker Wire (-) Negative: Green
Woofer Speaker Wire (+) Positive: Green/Black (4 ohms)
Woofer Speaker Wire (-) Negative: Green
Bmw E39 Amplifier Installation
Left Rear Speaker Wire (+) Positive: Yellow/Black
Left Rear Speaker Wire (-) Negative: Brown/Orange
Right Rear Speaker Wire (+) Positive: Blue/Black
Right Rear Speaker Wire (-) Negative: Brown/Orange
Bmw E39 For Sale
Center Channel Speaker Wire Positive / Negative:
Subwoofer Speaker Wire Positive / Negative:
Front Speaker Size: N/A
Rear Speaker Size: N/A
Amp Amplifier Location: Driver side in trunk
Radio Removal: See Service Manual
PARTS REQUIRED FOR AFTERMARKET RADIO INSTALLATION
Radio Mounting Kit:
Metra 95-9307B DOUBLE DIN Dash Kit for: BMW 5-Series 1997-2003 Double DIN
Radio Wiring Harness:Metra 70-9003 Radio Wiring Harness for Audi/BMW/VW 2002-Up
Radio Antenna Adapter:Metra 40-EU10 VW /BMW/Euro Car to Male Motorola Vehicle Antenna Adapter