dashboard computer fault display

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12-26-2006, 04:33 PM
540 touring

dashboard computer fault display

Hello all
I need some help with my 540 touring. My dashboard display is constantly showing a 'brake light' fault despite the lights working fine. Also when I switch on the headlights it shows faults for dipped beam, tail light. Also the ABS light and traction control light are constantly on . Any advice please ?

thanks

Merry Christmas !!
12-26-2006, 07:24 PM
Brazilianbimmer

Have you checked the lights in the trunk? There is a break light on top of the trunk. I also believe the trunk lights are tied to the same circuit and could give that fault.
12-26-2006, 09:02 PM
shogun

Quote:

shows faults for dipped beam, tail light. Also the ABS light and traction control light are constantly on . Any advice please ?

dipped beam : are they really off or not?
If they do not work:
You may try
http://www.bmwe34.net/e34main/mainte...trical/LKM.htm

ABS light : check the wirings and clean the sensors.
12-27-2006, 05:40 PM
540 touring

fault

Quote:

Originally Posted by shogun

dipped beam : are they really off or not?
If they do not work:
You may try
http://www.bmwe34.net/e34main/mainte...trical/LKM.htm

ABS light : check the wirings and clean the sensors.

Hello

the lights are working fine, but the dash shows a fault

thanks

phil
12-27-2006, 05:46 PM
Blitzkrieg Bob

It's probably

the brake light switch

as they wear carbon builds up on the switch and creates resistance and trip s the CCM.

You can try and clean it, they come apart easily.
12-29-2006, 05:18 PM
540 touring

Quote:

Originally Posted by Blitzkrieg Bob

the brake light switch

as they wear carbon builds up on the switch and creates resistance and trip s the CCM.

You can try and clean it, they come apart easily.

Thanks Bob
Where will I find this switch ?
12-29-2006, 05:19 PM
540 touring

Quote:

Originally Posted by Brazilianbimmer

Have you checked the lights in the trunk? There is a break light on top of the trunk. I also believe the trunk lights are tied to the same circuit and could give that fault.

Thanks
I'll give it a try
12-29-2006, 05:21 PM
Blitzkrieg Bob

This is the fun part

Quote:

Originally Posted by 540 touring

Thanks Bob
Where will I find this switch ?

http://www.bmwe34.net/e34main/mainte...ake_switch.htm
12-29-2006, 05:33 PM
Blitzkrieg Bob

And to clean it

http://www.nmia.com/~dgnrg/page_25.htm
12-30-2006, 07:18 PM
540 touring

Thanks for your help Bob. I'll give it a go.
All the best
Phil

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