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Old 05-23-2020, 07:45 PM   #1
Cobra Driver
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My Ride: 330 Ci
Year: 2002
Model: 330 Ci
Transmission: 5 Spd
Many lights out all at once

I have a 2002 325ci and all has been well until 2 days ago.

All lights listed stopped working.
headlights
emergency/4 way flasher
fog lights
turn signals both sides front and back


I checked all the fuses and they are fine for all lights involved.
I checked the "light module" fuses not knowing what it was and hoping that was the problem but those fuses were fine.

I have an issue thinking all my bulbs burnt out at once at the same time so there must be something else going on.

Any ideas?

Thank you

Last edited by Cobra Driver; 05-23-2020 at 07:52 PM.
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Old 05-23-2020, 08:58 PM   #2
BaliDawg
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Read the trouble codes from the LSZ (light control module) using BMW Scanner 1.4, INPA, Carly, etc.
That should give some clues.

Check voltages and grounds at those light connectors.
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Last edited by BaliDawg; 05-23-2020 at 08:58 PM.
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Old 05-24-2020, 11:49 AM   #3
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The light control module is behind the switch-
and from your description, it's either unplugged or quite truly dead.
I'd honestly be a bit surprised if you could get connected to it via a scanner.

The lights that are out are on quite a few separate circuits,
and yeah, it's not the bulbs!

t
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Old 05-24-2020, 02:09 PM   #4
Cobra Driver
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My Ride: 330 Ci
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Quote:
Originally Posted by TobyB View Post
The light control module is behind the switch-
and from your description, it's either unplugged or quite truly dead.
I'd honestly be a bit surprised if you could get connected to it via a scanner.

The lights that are out are on quite a few separate circuits,
and yeah, it's not the bulbs!

t

Thank you for the direction folks. Now just 1 question.....behind what switch and where is this mess lol
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Old 05-24-2020, 02:26 PM   #5
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Quote:
Originally Posted by Cobra Driver View Post
Thank you for the direction folks. Now just 1 question.....behind what switch and where is this mess lol
Google be your friend.
https://www.google.com/search?q=ligh...e+location+e46

https://www.pelicanparts.com/BMW/tec...ght_Switch.htm

The LSZ is behind the headlight switch.
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