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bmw 318i warning light

  • 27-11-2009 12:03pm
    #1
    gareth12121
    Registered Users Posts: 70 ✭✭


    hello everyone i recently bought a 02 bmw 318i and the airbag warning light is now coming on constantly am due to drive to dublin this evening (200km drive) any advice appreciated would useually get it chked out immidiatly but with having to go to dub and all wont get a chance


Comments

  • #2
    danjo
    Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    You may have a problem with the airbag or just a false alarm.
    There is an issue with BMW airbag warning lights. They can be triggered by a poor connection to the seat belt tensioners. The wiring is located under the driver and front seat passenger seats

    You will need to get it checked out anyway and reset using a specialist tool.


  • #3
    Seth Brundle
    Moderators, Politics Moderators Posts: 40,351 Mod ✭✭✭✭Seth Brundle


    Your airbag system will be disabled while the issue remains. A diagnosis (at a dealer or specialist) should reveal the cause (possibly something under one of the front seats). Once the problem is resolved, it will need to be electronically reset to turn off the light (again at a dealer or specialist)


  • #4
    gareth12121
    Registered Users Posts: 70 ✭✭gareth12121


    cheers for the replies, the seatbelt tensioner is not rewinding properly, ie when you take it off it just hangs there and very very slowly starts to wind back in, would this be affecting the sensor as you describe


  • #5
    danjo
    Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    gareth12121 wrote: »
    cheers for the replies, the seatbelt tensioner is not rewinding properly, ie when you take it off it just hangs there and very very slowly starts to wind back in, would this be affecting the sensor as you describe

    The seatbelt tensioner I referred to is the gas discharge tube that fires in the event of a collision. It is located on the left side of the driver's seat. It is a small (maybe 3 inches) cylinder shaped device with electric contacts.
    It tightens up the seatbelt when activated, for example, by a collision.
    As I sais previously there is also one on the passenger side.

    Have a look at the forums on www.bmw-driver.net


  • #6
    gareth12121
    Registered Users Posts: 70 ✭✭gareth12121


    sound found that alright had a look at the wires under the drivers seat and had a wiggle at them and warning light went out so presume its just a loose connection on it thanks for the help


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  • #7
    danjo
    Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    Surprised it went out without a diagnostic scan and reset.
    Make sure it comes on when you switch on ignition. At least you will know it is operational.
    Still think you should have it checked out for your own safety.


  • #8
    gareth12121
    Registered Users Posts: 70 ✭✭gareth12121


    bit strange alright, have chked it a couple of times and seems to be back to normal ie light comes on when you turn on the ignition, stays on for 10sec or so and then goes out. yep will get it chked out alright as soon as i can nothing like the peace of mind.


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