Electrical Installing passenger seat air bag weight sensor
#1
Installing passenger seat air bag weight sensor
ours went bad, a new one is like $600 so I found a used one. I have no idea what I am looking at, what I bought was the lower seat cover with foam and several things attached.
I think this thing is a rectangular plug module deal that attaches to a flat square matt with open center.
Can anyone verify this?
How do you go about replacing it? Do I need to replace the square matt and the plug module?
Can I reprogram myself once its replaced?
the local authorized BMW place, no dealer where I live, won't replace this for me cause its use. Even though it was his idea try and find one. So while I don't know, my bet is he won't reprogram either. Could be wrong
any help will be most appreciated
Ron
I think this thing is a rectangular plug module deal that attaches to a flat square matt with open center.
Can anyone verify this?
How do you go about replacing it? Do I need to replace the square matt and the plug module?
Can I reprogram myself once its replaced?
the local authorized BMW place, no dealer where I live, won't replace this for me cause its use. Even though it was his idea try and find one. So while I don't know, my bet is he won't reprogram either. Could be wrong
any help will be most appreciated
Ron
#2
I believe the sensor is a mat GLUED to the seat base....so most folks have usually just changed out the bottom cushion.....
Just be sure to disconnect the battery before you begin, and not reconnect it till you are done, or an airbag light will be set that requires a special tool to reset...usually a dealer trip.
If the unit you bought has been peeled off the foam, not sure how to reconnect it, or of you just must put your seatcover over the replacent, then swap. Goodluck!!
Just be sure to disconnect the battery before you begin, and not reconnect it till you are done, or an airbag light will be set that requires a special tool to reset...usually a dealer trip.
If the unit you bought has been peeled off the foam, not sure how to reconnect it, or of you just must put your seatcover over the replacent, then swap. Goodluck!!
#3
One thought...i guess you already have a light since the seat sensor is bad....so after you replace,you you will need an airbagtool..
.the local bmw shop SHOULD be able to plug-in and reset it....it looks like a glorified odb2 reader, but functions are different....shop tools mights be combined with it....
.the local bmw shop SHOULD be able to plug-in and reset it....it looks like a glorified odb2 reader, but functions are different....shop tools mights be combined with it....
#4
#6
#7
ours went bad, a new one is like $600 so I found a used one. I have no idea what I am looking at, what I bought was the lower seat cover with foam and several things attached.
I think this thing is a rectangular plug module deal that attaches to a flat square matt with open center.
Can anyone verify this?
How do you go about replacing it? Do I need to replace the square matt and the plug module?
Can I reprogram myself once its replaced?
the local authorized BMW place, no dealer where I live, won't replace this for me cause its use. Even though it was his idea try and find one. So while I don't know, my bet is he won't reprogram either. Could be wrong
any help will be most appreciated
Ron
I think this thing is a rectangular plug module deal that attaches to a flat square matt with open center.
Can anyone verify this?
How do you go about replacing it? Do I need to replace the square matt and the plug module?
Can I reprogram myself once its replaced?
the local authorized BMW place, no dealer where I live, won't replace this for me cause its use. Even though it was his idea try and find one. So while I don't know, my bet is he won't reprogram either. Could be wrong
any help will be most appreciated
Ron
It is sandwiched between the seat cover and the cushion (which is the foam part). Perhaps you can take it to a car upholstery shop and they can swap it over for you. Any independent BMW shop should be able to reprogram the light. You may be able to reprogram it yourself with a Bavarian Technic tool - but I'm not sure about that. Good luck!
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#8
My mini (2003 R50) had an airbag light due to a broken clock spring. I replaced the clock spring and bought an airbag reset tool on eBay. It's the B800 and runs about $28.00. The B800 provides diagnostic codes and performs a reset. I cleared my airbag light in about 2 minutes fiddling with the B800. Very easy to do. The instruction booklet is not that great because it probably came from china.
#9
#11
I had a buddy help me at his shop replace the used sensor. Needed hog ring pliers.
Worked, did not need to reprogram. But lately it is acting up, if my wife is in the passenger seat everything is ok. If my lard *** sits there the warning lights light and do not turn off. No passenger and the lights are off like they are supposed to. I am hoping maybe it just needs programming
Ron
Worked, did not need to reprogram. But lately it is acting up, if my wife is in the passenger seat everything is ok. If my lard *** sits there the warning lights light and do not turn off. No passenger and the lights are off like they are supposed to. I am hoping maybe it just needs programming
Ron
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