Re: [bmw] where's the 535I headlight relay

[PeterSchop@xxxxxxx]

Gerry,

I went to BMWe34.net and read their fix  for the LKM. I pulled the light 
control module or the LKM out of the car today and opened it up. All the solder 
joints looked good so I did not try to re-solder them. I did spray some contact 
cleaner on the contacts of the three relays and opened and closed them a few 
times. I put it all back together and put it in the car. After my ten minute 
drive home from work today, the low beams were still on. I hope this was only a 
dirty contact. I will let the list know if this is a permeant fix.

Peter Schoppelry


In a message dated 11/4/2003 2:05:19 PM Central Standard Time, 
gphill03@domain.elided writes:

> 
> Sent from the Internet 
> 
> 
> 
> 
> Peter, 
> 
> Sounds like your light control module is bad.  This is a common problem for 
> E34's.   Over time, vibrations cause cracks of the joints on the circuit 
> board.  Sometimes re-soldering the joints fixes the problem if you have access to 
> a good 25+ watt electronic soldering iron.  When mine went out last year, a 
> friend and I tried to re-solder, but were unsuccessful.  Do a search on 
> e34.net for an explanation of the procedure.  If it turns out you need a new one, 
> stay away from the dealer.  They'll rob you for almost $400.00.  I ended up 
> buying one from Strictly German in Braselton, GA for around $100.00.   Ask for 
> the owner,  Bobby Thrash.  He'll take care of you. 
> 
> 
> 
> 
> Gerry A. Phillips
> 
> 
> 
> PeterSchop@domain.elided 
> Sent by: owner-bmw@domain.elided 11/04/2003 02:24 PM 
> 
> 
>         
>         To:        bmw-digest@domain.elided 
>         cc:         
>         Subject:        [bmw] where's the 535I headlight relay
> 
> 
> 
> I have a 1990 535i with a headlight problem. In the past, I have noticed 
> that 
> sometimes the low beam would go out after driving for a while. Now it is 
> happening after driving for about three miles. I think everything else is 
> working 
> OK. The parking lights and dash lights stay on but the low beams will go out 
> 
> without notice. I can still turn on the high beams. If I shut off the car 
> for 
> ten minutes, they will work again. I'm thinking that it is a bad relay. But 
> which one? I looked in the diagrams in the Bentleys but did not find a low 
> beam 
> relay. Could it be the big "Lamp control module"?
> 
> Thanks,
> Peter Schoppelry
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