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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

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 05-24-2005, 07:38 PM
M Power e46 M Power e46 is offline
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How to reset brake light ?

I have just purchased pads and rotors and a brake sensor for my fathers car i was wondering how do i reset the brake light that comes on when you need brakes. I know for a fact it can be done without a rest tool.... buy keeping the car in the on or acc position and pressing the brake pedal....I have seen it done but dont know the sequence.


Any help would be much appreciated
Thank you
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  #2  
Old 05-24-2005, 08:38 PM
rtw_travel rtw_travel is offline
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I just learned this last weekend.

Turn the key to 'on' but do not start the car. The light will reset itself in about 45 seconds. You do not need a reset tool.
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  #3  
Old 01-04-2008, 05:35 PM
mcadore mcadore is offline
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Hello,

I am new to the forum. I am looking to reset my brake light on my 525i. Any help is greatly appreciated
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  #4  
Old 01-04-2008, 05:47 PM
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bimmerd00d bimmerd00d is offline
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rtw_travel has it, might be a little longer than 45s, maybe 1.5min.
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  #5  
Old 01-04-2008, 08:50 PM
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Elvis530i Elvis530i is offline
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1. Turn key forward until power comes on (just short of starting)
2. Let sit for 2 mins.
3. Turn off.

When you restart, the light should be off.
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  #6  
Old 11-28-2008, 06:16 PM
TBAPb TBAPb is offline
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and if this does not work? any suggestions?
I tried this and it did not work.. Could it be bad sensor or badly connected sensor?
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  #7  
Old 11-28-2008, 07:21 PM
tx540 tx540 is offline
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Quote:
Originally Posted by TBAPb View Post
and if this does not work? any suggestions?
I tried this and it did not work.. Could it be bad sensor or badly connected sensor?
It is possible it is a bad sensor. I could not get my light to turn off on one occasion and nothing else worked except when I replaced the new sensor with another one.
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  #8  
Old 11-28-2008, 11:41 PM
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bluebee bluebee is offline
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I'd recommend checking the brake sensor circuit for continuity ...

It's entirely plausible that the brake light sensor circuit is not connected properly. For example, when I did my own 4-wheel brake job, I found the sensors needed pulling and prodding on thin very breakable wires.

I'd recommend checking the brake sensor circuit for continuity ...




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  #9  
Old 12-28-2008, 07:17 PM
sellingbmwM3 sellingbmwM3 is offline
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Is there a thread on checking the BRAKE SENSOR CIRCUIT ??? I replaced pads, rotors and sensors but still have stubborn brake light sensor. Any help is appreciated.

Maybe continuity is my problem, but I am sensing that it might be how the new sensors were installed. BLUEBEE ~ you did not mention which BMW model you are working on? Which is it?

Anyone interested in a 1997 BMW M3 automatic sedan LMK!!
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  #10  
Old 04-09-2009, 02:35 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by sellingbmwM3 View Post
Is there a thread on checking the BRAKE SENSOR CIRCUIT ??? BLUEBEE ~ you did not mention which BMW model you are working on? Which is it?
All my pictures and procedures are on the 2002 525i E39.

Seems to me, if the brake reset procedure doesn't work, then to check the brake sensor itself would seem to be easy.

Sorry ... I didn't even think of this when I did my brake job DIY but it seems to me all we'd need to do is disconnect the brake-sensor connector in that wheel-well box and then just short the two wires in the harness side of the connector.

Seems to me that wire short would close the sensor circuit, which would simulate normal operation, which would turn off the light on the dash.

If pulling out the short then turned the brake warning light back on, you'd then have pretty positive proof that the sensor was bad.

Does anyone agree or disagree with this proposed faulty-brake-sensor diagnostic procedure?
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  #11  
Old 10-19-2010, 08:35 PM
tiphu tiphu is offline
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Quote:
Originally Posted by M Power e46 View Post
I have just purchased pads and rotors and a brake sensor for my fathers car i was wondering how do i reset the brake light that comes on when you need brakes. I know for a fact it can be done without a rest tool.... buy keeping the car in the on or acc position and pressing the brake pedal....I have seen it done but dont know the sequence.


Any help would be much appreciated
Thank you
I had a same problem and i just reset it. You have to leave the driver door open then insert the key to ignition position 1, leave it for about 30 sec or until the warning brake light goes off, then turn the key off. Reinsert the key and the brake line warning will disappear.
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  #12  
Old 10-29-2010, 11:28 AM
marios89 marios89 is offline
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hey guys... i have bmw 320i coupe the new model and i tried to reset my services lights... i reset the break pads without it needs... And now when i went to reset it again it shows me ------ and the light it still opening... what can i do?
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  #13  
Old 11-11-2011, 05:17 AM
xinjacky xinjacky is offline
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BMW! HOW TO RESET BREAK SERVICE WHEN SHOWS (----------) which you have by and replace the sansor, cost a lot
NOW WE ARE GOING tO SAY GOODBYE TO SANSOR>>>>>
only 2 step
1, connect the 2 wire of break sensor, (most break sensor just been cut off soon after install, even its new, so why not just connet the 2 wire up )
2, reset the Sevice over OBC, the (----------) will Gone and will show reset V mark, (My 320D now its display 90000! thats Great, it will never run out! cos you always can reset it)

buy a break sensor is 20.00 pound, most need front and rear, and they dead very soon, in my case i just connect the 2 wires in the old sensor cable,
now bmw no more bills, untill my break all run out, i will just replace PAD and DISC, and say goodby to sensor. NO MORE OBC BIB BIB sound...
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  #14  
Old 11-11-2011, 08:29 AM
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bluebee bluebee is offline
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Sorry ... I couldn't understand anything said in that prior post ... perhaps due to a different language situation ... but ... to still attempt to help out .. and since the post appears to say something about the brake wear sensor ... please see these brake sensor threads from a thread search for 'brake' in the bestlinks for more details:

- How to clear the check brake lining warning the right way (1) (2) and how to hardwire the sensor (1) (2)
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  #15  
Old 11-11-2011, 09:39 AM
xinjacky xinjacky is offline
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Quote:
Originally Posted by bluebee View Post
Sorry ... I couldn't understand anything said in that prior post ... perhaps due to a different language situation ... but ... to still attempt to help out .. and since the post appears to say something about the brake wear sensor ... please see these brake sensor threads from a thread search for 'brake' in the bestlinks for more details:

- How to clear the check brake lining warning the right way (1) (2) and how to hardwire the sensor (1) (2)
i mean the sensor is a useless item, it alway needs replace, if you don't the dashboad will make BB... sound, and break and sevice light will keep on, that make you upset, so just cut off the cable and connect the 2 wire of the cable, this way will work better.
we can check the break twice a year for the PAD wear, but the BB... sound every time you star the car, it just not a good idear. yes, you can replace the sensor, but it wear out very soon, no point, and wast money.
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  #16  
Old 11-11-2011, 09:49 AM
xinjacky xinjacky is offline
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TO reset the service light, you must chang the sensor or you can just connect the 2 wire which go in the the sensor, it both will work at same way,
the point is do we ready need a seansor for check break wears, As we can cheak our self for break pad wears, or we can feel the break condition when we driving the car.
so the sensor just no needs, car can work with out it, the dushboard BB really make me upset.
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  #17  
Old 11-11-2011, 10:57 AM
xinjacky xinjacky is offline
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Quote:
Originally Posted by xinjacky View Post
TO reset the service light, you must chang the sensor or you can just connect the 2 wire which go in the the sensor, it both will work at same way,
the point is do we ready need a seansor for check break wears, As we can cheak our self for break pad wears, or we can feel the break condition when we driving the car.
so the sensor just no needs, car can work with out it, the dushboard BB really make me upset.
Short-circuit wire1 and 2 THE Sansor will life for ever, never need A replace!

THE SERVICE & BREAK LIGHT CAN BE RESET UNLIMITED TIMES!
(NO NEED INSTALL A NEW SANSOR )

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  #18  
Old 11-11-2011, 11:19 AM
xinjacky xinjacky is offline
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when you replace the pad and disc, the break sensor will need replace to enable you reset
the break light and sevice light,

the picture shows mls --------- because the sensor have not been change, so it display -------
if you want save some money , you can just connect the sensor wire 1 and 2 as Short-circuit , this will enable you to reset the break light as well,


to reset the sevice light in E90:

plus and hold the speedo button,
and trangle will display, keep hold, until the reset list come up
if ite 3XX use BC button and up and down to select, then hold the BC button
for 5XX still use speedo button, try more you will learn the way.

please notes: do not reset break service light, unless you have instlled a new break sensor.

HOLP ALL HIS HELPS!
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  #19  
Old 11-14-2011, 07:07 AM
Melrose Melrose is offline
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First they (BMW) have done a redesign on this. The old ones which I purchased from O'Reilly are crap. They broke on install. Went to BMW for another rplacement which incidentally were cheaper, and the connector cover is translucent. The sensor itself sits higher so it will go off later giving you more wear. The clips are heavier also. On install the connector's internal wires bent and then broke, and that is why my light was still on. Check yours out.
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  #20  
Old 11-14-2011, 10:27 AM
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bmw_n00b13 bmw_n00b13 is offline
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Don't double post.
Don't use colours.
Don't use oversize fonts.
Use English.

If you can't use English, try harder. I've seen Romanians, Chinese, Japanese, various Africans, and Germans just off the top of my head who can write English better than above.

I have been told that shorting the sensor doesn't work on newer models. BMW decided checking for continuity was too easy and they should instead check for the correct resistance.

With the frequency my wheels are off, I don't care if there's a sensor, but for the average car-owner, it's best to leave it intact. There's some seriously dumb people out there.

"My brakes are vibrating a bit when I use them"


"There's a weird thumping noise and I can't do burnouts like I used to"
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  #21  
Old 11-14-2011, 01:12 PM
xinjacky xinjacky is offline
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sorry about my english, but i just try to help you!

1st, i just fix my friend break light issue,
CAR: BMW 520D Reg 2006
here is the steps,
1, cut off the 2 wire which go in to the sensor, and shorting the 2 wires,
2, reset on the speedo button, try 3 times, 1st 2nd, then the lasttime it works.
3, reset go succesfull, now the red break light on dush is gone, service light gone as well
and the next break service expriy by 32000 miles.
My friend so happy, it does't even needs remove the wheel, very easy to assce the sansor the cable can be touch by hands.

2days ago, i did on my one, bmw 320D, reg 2006

shorting the front and back sensor, all working great.
i even bought a sansor from bmw, just for in case, but endup it doesn't need, and now i goning to return it ALL back to BMW by tomorrow. and say goodby to the stupid sansor.

so shorting the 2 wires is the best way, i try on mine, and my friend.

THERE IS NO RESISTER IN THE SANSOR, I CHECKED, and i tried, now all working fine!!!
why not have a try b4 make comment.


IF ALL THIS DOESN"T HELP U, THEN ASK GOD HELP U!
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  #22  
Old 02-12-2012, 06:24 AM
rush_ad rush_ad is offline
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Quote:
Originally Posted by Elvis530i View Post
1. Turn key forward until power comes on (just short of starting)
2. Let sit for 2 mins.
3. Turn off.

When you restart, the light should be off.
this doesn't seem to working on my 2003 530i. Am I missing anything? I read at a few places to keep the door open...I tried with open door and closed door.
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  #23  
Old 02-12-2012, 12:42 PM
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QSilver7 QSilver7 is offline
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Well...it might help if you were using the correct procedure. You happen to have followed the instructions given by a forum member that is WRONG! "Just short of starting" would indicate ignition position 2...and leaving the ignition there for 2 minutes is too long.

But if you had clicked on the link in Bluebee's post (#10) it does have the correct instructions...and you can see the instructions below as well that are from the BMW TIS. If for some reason ignition position 1 does NOT work, then try ignition position 2:

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Last edited by QSilver7; 02-12-2012 at 12:44 PM.
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  #24  
Old 02-12-2012, 05:52 PM
wodanbrlam wodanbrlam is offline
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Turn the key to 'on' but do not start the car. The light will reset itself in about 45 seconds. You do not need a reset tool.

Last edited by wodanbrlam; 02-12-2012 at 05:56 PM.
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  #25  
Old 02-19-2012, 03:12 AM
rush_ad rush_ad is offline
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just to find out...
what happens if I simply don't connect the brake pad sensor? Will that make the warning light go away?
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