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7 Series - E38 (1995 - 2001)

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Old 08-10-2010, 04:36 PM
wpacello wpacello is offline
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Location: Haddon Heights, NJ, USA
Join Date: Feb 2009
Posts: 5
Mein Auto: 740i
Module for turn signals, lights, etc

Has anyone had problems where their turn signals, hazards, high beams not operating while the headlights stay on?

This is a 1998 740i and I was told it was some type of module. I would like to find out the exact part number so I can get pricing.

I have a leak - I assume it's a moon roof leak - which may have caused the fault.
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Old 08-11-2010, 04:08 AM
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Adi Adi is offline
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Location: Hamburg, Germany
Join Date: Jun 2006
Posts: 333
Mein Auto: E38 750iL, A6 (4f) Avant
I guess you need the LCM (Light and Check-Control Module) which will be about $500 from a dealer --->

Yes, I had similar problems with my E39. Indicators would not work correctly, etc. It needed a new LCM - make sure you pick the right one because it depends on whether you have Xenons or not.

An LCM will need coding to your vehicle, so you will probably still need to go to a dealer workshop to get that done. (At least this was the case on the E39 same model year so I don't see why it would be different for the E38).
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Last edited by Adi; 08-11-2010 at 04:13 AM.
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