What i have discovered is the sensor is heat sensitive.
Bmw airbag seat occupancy mat sensor bypass unit.
It simulates the seat occupancy electronics that the passenger seat is occupied.
Go to this free hosted site 4shared free file sharing and storage share folder my 4shared and download instructions seat occupancy sensor bypass to make a little circuit so that the srs module thinks the passenger seat is always occupied again both airbags will deploy in the event of a crash.
Now at 108k it started doing it again last summer.
If you put a wsj on the passenger seat it would trigger the seat belt warning.
Airbag sensor mat module for bmw quality goods directly from the specialist dealer made in germany.
The circuit costs around 50 cents to build.
With this information the airbag control module can deploy the passenger airbag in various stages depending on passenger size and position.
Details about passenger seat occupancy mat bypass emulator bmw 5 series e60 e61 sensor airbag fast delivery to u s.
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Seat occupancy sensor emulator for bmw 7 series e65 e66 general information.
The passenger seat occupancy mat is a sensor in the airbag system helping to identify the size and position of the passenger.
The seat mat emulator is a diagnostic device it sends to an airbag control unit the same signal as that sent by properly working seat occupancy sensor while a passenger is sitting.
39 99 bmw 1 series passenger airbag seat mat occupancy sensor detector emulator bypass 93c3 39 99 69 00 2004 2014 e81 e82 e87 e88.
Bmw airbag seat sensor mat occupancy sensor bypass unit all models the description of this item has been automatically translated.