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Old 02-05-2012, 02:55 PM
Join Date: Dec 2011
Location: Edmond, Oklahoma
Posts: 5
gfarn1 is on a distinguished road
Originally Posted by x3oiler View Post

So first up check fuse F27. It only drives the reversing lights.

You're awesome!! F27 it was!! Do you have the fuse diagram handy? The one I have is clearly not right b/c it shows a phone symbol for F27 (hence why I never checked it).

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Old 03-04-2012, 05:52 PM
Join Date: Dec 2009
Location: usa
Posts: 205
mysweetx5 is on a distinguished road
Need some advise folks!
Briefly, here's my problem: After the car been parked overnight no problem
Got up in the morning driving ahead and found out both sides signal wasn't
responded at all, not even blinking inside. Both headlights were on without
turning the switch button, while dashboard was black out But when turning
the car off, all lights goes off except the right side door signal that remain on.

I than go home checked all the fuses, they all seems to be fine. I disconnected the negative battery for tree minutes, and reconnect, everything back on track as they should except the rear right light that remain on all the time, also left signal front/rear are not working, driver side fog lamp is not working either.
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Old 03-11-2012, 05:16 AM
Join Date: Jan 2011
Location: Australia
Posts: 57
x3oiler is on a distinguished road
Cannot suggest too much:

The LCM could be at fault - read about it here: Light check control module (LCM)
X3 E83 2006 3.0d

Last edited by x3oiler; 03-11-2012 at 05:16 AM. Reason: typo
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Old 03-11-2012, 12:59 PM
Join Date: Dec 2009
Location: usa
Posts: 205
mysweetx5 is on a distinguished road

Yes my friend you're totally right, after several attempt by trying
to discover the problem on my own. I was unsuccessful because
of the nature of this problem related with high tech professional diagnostic.
I than decided by taking the car to a shop for further diagnostic.

The shop called me yesterday and told me that they have found the issue
which was the "Them culprit called: LCM" LIGHT CONTROL MODULE
which is controlling most of the signal power, how and when head
light should be turned on, and rear lights as well. Price at stealer:$594.63
This black box modem is located exactly on the right side passenger foot
inside the vehicle. This computer box was burned up and failed due
to my sunroof gasket failure, so everytime it's raining, water managed
to slide down inside my car, specially on the passenger side.

From there, this is where the black box is located and got into contact
with whole much of water there, and created a sort of massive electric
short and caused the "LCM control system to fail.

The mechanic guy told me that he can only find me a used one for $300
+$160 for labor. Thanksfully! I got the car back now and everything is back on track.
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Last edited by mysweetx5; 03-16-2012 at 07:41 PM.
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