1997 E36 318is ~ Air bag control unit? behind glove box.

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  1. 1997 E36 318is ~ Air bag control unit? behind glove box. 
    #1
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    Truxx's Car Details
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    Had my car in for the computer code reader thingy mabob and the guy said the reason my airbag light is on is because on some electrical control thing? behind the glovebox. (sorry for the lack of technical terms)

    He said it will cost £40 +£10 fitting for a new one and it will need coded to my car ?

    Can anyone confirm if this sounds right ?
    Ideally i'd like to replace this myself from a car from a scrap yard but if it's needing coded i'd probably just have to pay the electrician to do it.
    I hate paying garage prices for something i can do myself

    Thanks
    Dave
     
     

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    Did he not reset it there and then?If he did and then it comes back again then maybe it would need replacing.
     
     

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    He plugged the computer in then done a bit of ignition on/off then removed computer and plugged it into his laptop. It came up in there that some unit behind glove box was faulty so had to be replaced.
    I assumed from that he meant it couldn't be re-set until this unit was replaced.

    I now need to know what this unit is/where exactly it is and if a second hand replacement part will need some kind of coding to work with my car?

    Thanks for the quick reply.
    Dave
     
     

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    I can't think of anything behind the glovebox without taking mine out again, that has anything to do with the airbags.

    The only module to do with the airbag that I can think of, is under the rear bench - And that will need coding if you replace it.
     
     

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    Truxx (22-10-2010)

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    Quote Originally Posted by Ferret View Post
    The only module to do with the airbag that I can think of, is under the rear bench - And that will need coding if you replace it.
    IT may well be that one. Any idea of it's exact name so i can search for pics of it ?

    Thanks
    Dave
     
     

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    Quote Originally Posted by Truxx View Post
    He plugged the computer in then done a bit of ignition on/off then removed computer and plugged it into his laptop. It came up in there that some unit behind glove box was faulty so had to be replaced.
    I assumed from that he meant it couldn't be re-set until this unit was replaced.

    I now need to know what this unit is/where exactly it is and if a second hand replacement part will need some kind of coding to work with my car?

    Thanks for the quick reply.
    Dave
    Nothing there tells me he reset the unit.... He should definately be able to reset the unit before replacing it cause there are other things that can cause it to go into fault......

    As Ferret says AFAIK its under the rear seat bench...there is only one module there so lifting the rear bench you'll see exactly what you may need....Personally I think you should get it reset before you try replacing it...
     
     

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    I'm with Stk, from what you've said, it suggests he hasn't tried resetting it yet.

    I've just had a look at my Saloon i'm breaking, and there's a few modules behind the glovebox, but none relating to the airbag ! So it must be the one under the seat.

    An 'exact' name would be Airbag ECU... Maybe

    Just lift up the rear seat, it's there smack back in the middle, you cannot miss it.
     
     

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    Truxx (22-10-2010)

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    Really need the fault codes he pulled out of the system. The most likely E36 faults for airbag lights are seatbelt pre tensioners, seat occupancy sensors and steering wheels removed without disconnecting the battery..
     
     

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    Truxx (22-10-2010)

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    Cheers for the reply's lads

    So best way to go from here then is to get it done again. In all honesty he didn't seem to familliar with the computer (laptop) software he was using and had only just recieved the bmw 20pin plug today.
    He did however do it all free of charge so i can't complain.

    Will get it booked into another garage asap.

    Thanks
    Dave
     
     

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    Quote Originally Posted by Truxx View Post
    Cheers for the reply's lads

    So best way to go from here then is to get it done again. In all honesty he didn't seem to familliar with the computer (laptop) software he was using and had only just recieved the bmw 20pin plug today.
    He did however do it all free of charge so i can't complain.

    Will get it booked into another garage asap.

    Thanks
    Dave
    Post up the fault codes and descriptions straight away Dave and we can help you mate.........
     
     

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