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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, May-06-2011, 10:42:18 PM   #1
jyi
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Default Red Airbag light on when passenger sits

I have this weird problem with the airbag light.

It never comes on when there is no one sitting in the passenger seat.

But when someone sits in the passenger side seat, the light comes on and off. It doesn't blink or anything but it would come on for a few minutes and then goes off for a few minute and then come back on for a few minutes...

But it only does this when there is someone sitting in the passenger seat. This leads me to believe that there is some sort of a sensor in the seats.

Anyways, has anyone else experienced this before? And is there a solution?
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Old Fri, May-06-2011, 10:50:05 PM   #2
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Default Re: Red Airbag light on when passenger sits

check the connection of your OPS (occupancy pad sensor). this this is embedded in the seat, but the harness and connectors are under the seat.
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Old Tue, Aug-09-2011, 01:56:50 PM   #3
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Default Re: Red Airbag light on when passenger sits

how would you go about diagnosing what is causing this problem? my airbag light is on permanently when there is a passenger aboard and i heard a washy explanation that it was a seat belt sensor that was causing it but...
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Old Tue, Aug-09-2011, 02:01:28 PM   #4
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Default Re: Red Airbag light on when passenger sits

I used to have this problem all the time. I also have stickers on my door sill that say my airbags on that side don't work. Yet my curtain airbag deployed when I hit the pavement transition doing 70 that one time. I don't know what the deal is.
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Old Tue, Aug-09-2011, 02:14:28 PM   #5
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Default Re: Red Airbag light on when passenger sits

Quote:
Originally Posted by Spectre View Post
I used to have this problem all the time. I also have stickers on my door sill that say my airbags on that side don't work. Yet my curtain airbag deployed when I hit the pavement transition doing 70 that one time. I don't know what the deal is.
yeah i read your thread about that earlier! that is crazy my friend...i woud've just sat there scratching my head

i've since researched that when the light comes on whenever a passenger is in the seat its most likely the "pad" not sure what that stands for that is inside the seat and you have to take the leather cover off $$$$$
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Old Tue, Aug-09-2011, 05:12:41 PM   #6
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Default Re: Red Airbag light on when passenger sits

My airbag light stays on constantly and when a passenger sits in the seat it is intermintently on and off.
I thought it was the occupancy sensor. Never really looked into it though.
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Old Tue, Aug-09-2011, 06:04:19 PM   #7
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Default Re: Red Airbag light on when passenger sits

Same problem here. I've read it's the pad as stated above, but not sure if swapping it with a new one will make sure no more red light....

Let's hope someone has a definite solution.

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Old Tue, Aug-09-2011, 06:07:59 PM   #8
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Default Re: Red Airbag light on when passenger sits

Occupancy sensor senses when someone is sitting in the seat and therefore the computer checks that the seatbelt is latched. So, do as Daytona says because the occupancy sensor and the seatbelt sensor are in the same harness
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Old Tue, Aug-09-2011, 06:08:23 PM   #9
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Default Re: Red Airbag light on when passenger sits

yeah i mean i revived this from may
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Old Tue, Aug-09-2011, 06:31:17 PM   #10
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Default Re: Red Airbag light on when passenger sits

for me a occupancy sensor bypass plug did the trick...got it from ebay

light never turns on now, but the airbag will go off if there is or isn't a passenger in the seat.
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Discussing Red Airbag light on when passenger sits in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)