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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-14-2012, 08:38 AM
xvkevin xvkevin is offline
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Mein Auto: Bmw 520i 1997
Exclamation Handbrake Light Stays On

Hello Everyone.

First i had a problem with my lights 1 mainbeam use to stay on even when the car was switched off, found out my LCM needed to be replaced so i ordered the part fitted it and everything works fine all lights working again and no light staying on.

Next day i come to use the car i released my handbrake which in turn the handbrake light on the dash should go off, but it didnt. The handbrake light is staying on even when i release the handbrake , There is no problem driving the car the brakes work fine, and the fluid level is at max.

If anyone could shed some light on what could be causing it i would greatly appreciate it.

Kind regards

Kevin
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  #2  
Old 01-14-2012, 08:54 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by xvkevin View Post
The handbrake light is staying on even when i release the handbrake
Dunno but maybe you might want to check the adjustment anyway ...

- cn90 parking brake adjustment DIY (and other emergency brake adjustment DIYs)
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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #3  
Old 01-14-2012, 09:20 AM
JimLev JimLev is offline
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Pull the leather boot off at the base of the parking brake handle.
Pretty sure there is a switch in there. It may be out of adjustment.
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  #4  
Old 01-14-2012, 09:59 AM
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redbull713 redbull713 is offline
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Quote:
Originally Posted by JimLev View Post
Pull the leather boot off at the base of the parking brake handle.
Pretty sure there is a switch in there. It may be out of adjustment.
+1. I believe it is a push-pin type switch, it is probably stuck.
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  #5  
Old 01-15-2012, 05:13 AM
xvkevin xvkevin is offline
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Ill give it a check today need to tick her over for abit .

and get back to you guys , thank you for the help.
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  #6  
Old 01-16-2012, 06:35 AM
xvkevin xvkevin is offline
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Took the leather off the parking brake today, found no switch.

Could it be the switch under the steering wheel panel?

kind regards

kevin
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  #7  
Old 01-16-2012, 07:38 AM
timarnold timarnold is offline
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There is a switch down there. It sits behind the ebrake pivot. I have the exact same problem in my '03 525i. In my case, the switch is not the issue. I have the High Option display, & if I pull up on the ebrake handle with the car moving, I get the "Parking Brake" warning. I have also taken the center console apart & checked the switch & wiring & all of it is fine. Looking at the wiring diagrams, I believe the signal for the light actually comes back through the I-bus, though the LCM & to the light, but it's not all that clear.

It has been that way now for over two years. Rebooting it by disconnecting the battery does nothing. I've sort of given up as I refuse to drop a hundred or so $'s for the dealer to figure it out.
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  #8  
Old 01-16-2012, 08:20 AM
cn90 cn90 is offline
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You need a flashlight to see the switch.
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  #9  
Old 01-16-2012, 08:23 AM
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QSilver7 QSilver7 is offline
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Just to verify that we are all on the same page...does the warning light illuminated actually say "PARK BRAKE"? Or is it just one of the BRAKE system warnings illuminated? And if it is only a BRAKE warning...what color is the light...red or yellow?

If the issue is the parking brake...there wouldn't be a switch below the steering wheel column...the hand brake lever in the e39 is mechanically attached by a cable to the parking brakes located in the rear wheels...I can't imagine why or how there could be a switch below the steering column for the parking brakes.

The parking brake switch (located underneath the cover)...is #7 in the diagram below (perhaps you didn't recognize it):


...and it is also #3 in the diagram below:

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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 01-16-2012 at 08:27 AM.
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  #10  
Old 01-16-2012, 09:11 AM
timarnold timarnold is offline
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Sorry, I may not have been clear. When I said I took apart the center console, I was reffering to the portion of the console where the handbrake lever lives.
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  #11  
Old 01-16-2012, 10:00 AM
cn90 cn90 is offline
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Quote:
Originally Posted by timarnold View Post
... Looking at the wiring diagrams, I believe the signal for the light actually comes back through the I-bus, though the LCM & to the light, but it's not all that clear....
1+,

O.P. you may want to research the LCM "pinout".
The fact that you worked on the LCM (for your high beam issue) the day before, and the Parking Light is on the next day (even though you release the parking brake) tells me that somehow during the process of soldering the new chip (BTS426L1), something may have been messed up.
Did you spill some solder etc. shorting new citrcuit feeding the Parking Brake?
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  #12  
Old 01-16-2012, 11:47 AM
xvkevin xvkevin is offline
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Hi i bought a used LCM using a salvage place to get the right part number etc. It needs reprogramming.

I took this image of another post on here ,

its the RED LIGHT to the right thats staying on after i release the handbrake.





kind regards

kevin
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  #13  
Old 01-16-2012, 03:29 PM
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QSilver7 QSilver7 is offline
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See the description of that warning light in the pic below from the owners manual...since this is from a North American owners manual...the description for that light is for Canadians. I'm sure if you look in your Euro owners manual...it will have the same description...as you can see, it has nothing to do with your parking brake:



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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 01-16-2012 at 03:31 PM.
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  #14  
Old 01-16-2012, 04:47 PM
xvkevin xvkevin is offline
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Mein Auto: Bmw 520i 1997
Hi Found it in the owners book.

Here below is what it states, i checked the fluid its max.

Lights up when handbrake is applied.

If it lights up even when the handbrake is not applied: have the brake fluid checked. Before continuing on your journey, read instructions on pages 122 and 153.

Also comes on when Check Control displays CHECK BRAKE LININGS?
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  #15  
Old 01-16-2012, 05:54 PM
JimLev JimLev is offline
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Why is your ABS and Traction Control light on?
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  #16  
Old 01-16-2012, 06:55 PM
timarnold timarnold is offline
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I think in post #12 he stated that he pulled that photo from another posting.
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