1998 BMW 318ti Car Radio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: Purple/White
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: White
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5 1/4″ Speakers
Car Audio Front Speakers Location: Kick Panels
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
Car Audio Rear Speakers Size: 4″ Speakers
Car Audio Rear Speakers Location: Rear Deck
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
2 thoughts on “1998 BMW 318ti Car Radio Wiring Diagram”
Norbeto, we suggest you purchase an automotive auxiliary input adapter. This adapter will allow you to input any Apple iPod, mp3 player or portable music player into your factory radio. This is the easiest and most cost effective way to add an audio input into your factory stereo. Here is the adapter you will need:
iPod and Aux Input Adapter for 1997 BMW 318ti
If you’ve never installed car audio before, we advise you to take your car to an experienced mobile audio installer. Hope this helps. Good luck with your 1997 BMW 318ti iPod and aux input adapter installation.
Do you have the wiring for a 1997 bmw 318ti? I want to connect my iphone 3gs to the original radio. Any advice? Thanks, Norberto