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7 Series / 8 Series
The BMW 7 series and 8 Series Forum

 
 
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  #1  
Old 10-15-2009, 10:54 AM
Stephan850I Stephan850I is offline
Registered User
Location: spring, tx
 
Join Date: Aug 2008
Posts: 10
Mein Auto: 1991 850I
850I head lights

have a 850I, running great except every few months something new comes up.
one of the headlight is not coming up all the time, i have to play with the switch back and forth.
sometimes the other one will not go up or the same one causing trouble on the right will stay up.
could it be the the switch inside the car or the actuator " motor" for the light itself, is there any relay for those lights may be it is the problem?
if someone could let me know where to start here before i start buying all the parts.
sincerely
Stephan
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  #2  
Old 10-15-2009, 05:19 PM
TerryY's Avatar
TerryY TerryY is offline
Old Fogey
Location: Woodland Washington
 
Join Date: Jul 2003
Posts: 670
Mein Auto: BMW '95 840
There is a relay. A tall relay toward the middle of the box. K39--swap it with K46 and see if the problem moves to the High beam lights. If it does the relay is bad. If the problem is fixed the contacts were probably dirty.

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Woodland Washington
'95 840Ci
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