1995 E36 323i coupe brake pad wear sensor light on

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  1. 1995 E36 323i coupe brake pad wear sensor light on 
    #1
    BMW Maestro
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    jay_mz89's Car Details
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    1995
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    1stly I need to know if this light being on classes an an MOT failure?

    secondly it came on 2 days after I bought the car and has not gone off since. I have replaced the front brake pads, as they were low and the front wear sensor and the light has not gone off.

    I had the car checked by the garage before changing the pads and they told me the rears were fine, however I've not checked this myself.

    I do have a set of rear pads I can put on but if this does not sort it then I'm gonna look at a new rear pad wear sensor but again if that does not sort it where should I look next?

    How does it work if the light is on does it mean the circuit is broken and therefore could it be a frayed/broken wire somewhere else?
    Cheers, Jay

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    #2
    BMW Crazed
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    MarkR32's Car Details
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    i would of thought the light would come on when the sensor makes contact with the disc or creates a link...

    best bet is too have a look see ... i dont trust garages as far as i can throw them .. if the car goes into one .. im there waiting .. had a few bad experiences i dont want repeating ..
     
     

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    #3
    Dr of BMW gildersol's Avatar
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    Did you fit a new sensor? Make sure it's plugged in securely and the contacts are clean.
    There is a sensor on the front left and one on the rear right. If any of them are open circuit the light will go on and the sensor will need changing. It is possible you could have a frayed wire.
    Have you driven the car yet as it may take a minute for the light to go off.
     
     

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    #4
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    Disco Stu's Car Details
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    Not an mot fail. If you've fitted a new sensor and the light is still on, turn the ignition on (but don't start the car) and leave for 30 seconds. This should reset the light if you have new sensors on. If you think the sensors are a waste of time, simply join the wires and heatshrink them then do the ignition thing.
     
     

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    #5
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    jay_mz89's Car Details
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    hmm I'll try the 30 second thing, they probably are a waste of time but I'd rather them be working properly than bypass them.

    Getting sick of seeing the light on the dash now and the MOT's due middle of June.
    Cheers, Jay

    Siamoto copy air filter + cold air feed, 328 exhaust, 12" steering wheel,
    17" BBS Alloys, strut brace, lowered on Raceland coilovers
    Olypus HU CD Radio USB AUX SD card, Alpine rear 6x9's, Sony front 5.25's, Phoenix Gold 10" sub + SPLX Amp,
    Projector indicators, 6k angel eyes, 4300k dipped beam, SMD 3rd brake light, smoked repeaters and tail lights, SMD number plate bulbs, SMD courtesy lights
     
     

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    #6
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    jay_mz89's Car Details
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    tried the ignition thing and the light's still on, the new sensor was properly fitted on the front and the connections were clean so it's got to be soemthing on the rear.
    Cheers, Jay

    Siamoto copy air filter + cold air feed, 328 exhaust, 12" steering wheel,
    17" BBS Alloys, strut brace, lowered on Raceland coilovers
    Olypus HU CD Radio USB AUX SD card, Alpine rear 6x9's, Sony front 5.25's, Phoenix Gold 10" sub + SPLX Amp,
    Projector indicators, 6k angel eyes, 4300k dipped beam, SMD 3rd brake light, smoked repeaters and tail lights, SMD number plate bulbs, SMD courtesy lights
     
     

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