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Thread: Yellow DSC light and yellow Brake fluid level light

  1. #1

    Yellow DSC light and yellow Brake fluid level light

    2005 E46 318CI

    So I only noticed this today, the yellow DSC light and the yellow brake fluid warning lights came on together (along with a short warning beep) and stayed on.

    I drove to the local tesco carpark where I could pull in and check the brake fluid level, the level was fine, almost at maximum.

    I turned off the the ignition, took the key out and waited about 30secs then started the car and the lights were off.

    I then had to drive to Dublin from wexford, about halfway the lights came on again.

    pressing the DSC button on did nothing.

    Later today i was in the car for a while , waiting on someone (about 30 mins) I did the ignition thing again and the lights went out but after about 20 mins they came back on again.

    I really hope this is just a faulty sensor or something ?

    I read one thread where an american guy said he had the exact same problem and his garage wanted to charge him around $1,500 for a new DSC unit, but it turn out to be something else ( I can't for the life of me find that thread now as I was looking at it on the phone earlier)

  2. #2
    BMWHaus Guru
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    Yellow DSC light and yellow Brake fluid level light

    You need to get the car scanned.

  3. #3

    RE: Yellow DSC light and yellow Brake fluid level light

    thanks, i'f i can't find anyone with the gear to do it for me , do you have any idea how much a garage would charge to do this ?

  4. #4
    BMWHaus Guru
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    RE: Yellow DSC light and yellow Brake fluid level light

    Have had this happen twice on my E46 over the years.

    It could be brake pressure sensors, steering angle sensor, wheel speed sensors etc etc.

    can be cheap enough, to several hundred euro

  5. #5

    RE: Yellow DSC light and yellow Brake fluid level light

    ok thanks,

    and when the yellow DSC light comes onis the DSC really off ? or is it just a fault ? should i drive with caution ?

  6. #6
    BMWHaus Contributor
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    RE: Yellow DSC light and yellow Brake fluid level light

    If the light is on the DSC is not working. I wouldn't panic too much, you'd want to really be hammering it around before it would be a dangerous. If the light is on one minute and off another its most likely a wheel speed sensor or something get it plugged in and you'll know.

  7. #7

    RE: Yellow DSC light and yellow Brake fluid level light

    Bump.

    Ok I just scanned the car with my c310 bmw scanner

    Here are the fault codes on the brakes

    5E21 - pressure sensor 2
    5E24 - pressure sensors
    5E5D - level sensor, brake fluid
    5E20 - pressure sensor 1


    Is this saying I have three sensors to replace? Big job?

  8. #8
    BMWHaus Guru
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    RE: Yellow DSC light and yellow Brake fluid level light

    There are 2 pressure sensors as far as i know...i think maybe about €150 a piece plus fitting. Someone else might confirm.

  9. #9

    RE: Yellow DSC light and yellow Brake fluid level light

    Quote Originally Posted by Don B
    There are 2 pressure sensors as far as i know...i think maybe about €150 a piece plus fitting. Someone else might confirm.
    really? f**k my life

    anyone got a link where i can buy them online? mister-auto doesn't have them

  10. #10

    RE: Yellow DSC light and yellow Brake fluid level light

    see the results here:

    http://www.ebay.ie/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.T RC0.H0.Xbmw+e46+dsc+sensor.TRS0&_nkw=bmw+e46+dsc+s ensor&ghostText=&_sacat=0

    any guidance as to which one i need?

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