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My headlights wont come on sometimes, and when.

Tiny
ANONYMOUS
  • MEMBER
  • 1991 BMW 535I
  • 153,000 MILES
My headlights wont come on sometimes, and when they do I will be driving and they just go out. Sometimes when I step on the break they go out. I put the window down they went out. I can flip them up and down sometimes it turns back on sometimes not. The high beams always work so I just flip them on when they go out?
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Wednesday, April 10th, 2013 AT 6:06 AM

3 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Go to the Ebox underhood on the left side, its the black plastic box. Pop the lid off and inside are a GM and a LKM (general and lamp modules) Its a problem with the solder traces on the circuit board in said the lamp control module, there a post somewhere out there on the E-34 boards
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Thursday, April 11th, 2013 AT 5:28 AM
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
I replaced mine with a later model lkm that has chips instead of relays. Check for them online on ebay etc. Ive had no more problems since.
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Saturday, January 25th, 2014 AT 6:01 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Solid state LKM? Whoda thunk it?
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Tuesday, February 11th, 2014 AT 4:24 PM

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