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mudtub 03-19-2012 10:58 AM

Air bag light on
Hello and thanks for the help to come. New to the whole world of BMW. I have a 540IT 1999 with about 118,000 in her and she blinked the air bag light yesterday and is staying on. I have a range rover and the same thing was going on all I had to do was clean a connector. Is the same for this thanks again Bill

edjack 03-19-2012 05:04 PM

How did you identify the connector to be cleaned?

When my SRS light went on, I bought the Peake SRS tool to troubleshoot it. You'll save the cost of the tool the first time you use it, by not having to take it to the dealer for diagnosis, repair, and reset.

BTW, the system won't function when the light is on. Good incentive to get it fixed pronto.

mudtub 03-19-2012 05:15 PM

Thanks. Where can I source the abs tool. In my range there are yellow wires under the seat and all I had to do was undo the plug and make sure that it was put back correct. As my thoughts are the same for this as I had to remove the door panel to reset he drivers window. When I was in there I un plugged the air bag know about 300 miles of frost heaved roads later it flashed and 50 miles after it goes on when you put it in gear. Thanks

bluebee 03-19-2012 08:50 PM


Originally Posted by mudtub (Post 6713143)
Thanks. Where can I source the abs tool.

These may help:

- What is the cheapest usable BMW E39 airbag srs reset/scan tool on the net (1) & what can cause a BMW E39 SRS airbag light (1) (2) (3) (4) (5) (6) & what tools reset the fault (1) (2) (3) (4) (5) & what happens when clueless mechanics disconnect the airbag before the battery or they connect the battery before disconnecting the airbag in seat and window regulator repairs (1) (2) (3) (4) (5) (6) (7) & where to buy an airbag occupancy sensor bypass unit (1) (2).

mudtub 03-20-2012 07:10 AM

thanks for all the info, looks like i have some reading ahead of me. thanks again Bill

ncmallard78 03-20-2012 08:28 AM

I too have the airbag light on. Car is an 03 540. I was told that the airbags will function, but all bags will fire in the event of a crash, with a front seat passenger or not.

My issue was diagnosed by the dealer as being a front seat sensor failure. I was quoted 900 to fix the issue.

acagann 03-20-2012 04:09 PM

Yeah, it's been my experience that most of the time the SRS light comes on it is the seat belt 'sensor' that causes it, and almost always in the drivers seat latch.

mudtub 03-21-2012 10:09 AM

Thanks to all I have ordered a scanner to see what's up.

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