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      05-17-2014, 02:44 AM   #1
Beemerism
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Headlight harness wiring diagram?

I am going to put aftermarket ballasts inside the headlights. I am also trying to bypass the oem wiring. Does anyone have the wiring diagram for the headlights ( for both pre and post facelift)?

On halogen headlight, the harness connector has 6 pins, while there are 8 pins on xenon headlight.

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      05-17-2014, 12:48 PM   #2
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This should help.

http://www.unofficialbmw.com/images/6186EN.pdf
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      05-18-2014, 02:52 AM   #3
Beemerism
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Quote:
Originally Posted by M-Power M3 View Post
Thanks

In addition, I found the wiring diagram for bi xenon headlights

PRE-FACELFT WIRING

1. RAIN SENSOR
2. LOW BEAM
3. HIGH BEAM
4. SIDE LIGHT
5. HAZARD
6. HAZARD
7. INDICATOR
8. BI XENON


FACE LIFT

1. RAIN SENSOR
2. LOW BEAM
3. SIDE LIGHT
4.
5. HAZARD
6. HAZARD
7. INDICATOR
8. BI XENON
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      05-20-2014, 01:26 PM   #4
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Good info

Does anyone have the wiring diagram for the light control module? I'd like to know the pinout for it. All I can find is this.


Found on page 34
http://www.unofficialbmw.com/images/...lectronics.pdf
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      04-17-2018, 08:36 PM   #5
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Quote:
Originally Posted by Beemerism View Post
Thanks

In addition, I found the wiring diagram for bi xenon headlights

PRE-FACELFT WIRING

1. RAIN SENSOR
2. LOW BEAM
3. HIGH BEAM
4. SIDE LIGHT
5. HAZARD
6. HAZARD
7. INDICATOR
8. BI XENON


FACE LIFT

1. RAIN SENSOR
2. LOW BEAM
3. SIDE LIGHT
4.
5. HAZARD
6. HAZARD
7. INDICATOR
8. BI XENON
Can anyone confirm the pins or wiring colours for the 2003 headlamp?

I'm looking to identify the signal wire.
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