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Old 11-21-2012, 12:09 PM   #46
jdstrickland
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Join Date: Apr 2010
Location: Murrieta, CA
Posts: 6,949
My Ride: '94 325iC & '00 323i
Airbags need a sudden decelleration to deploy. A car can be hit with enough force to kill the car but not deploy the bags. Basically, it takes 20mph or higher to make the airbags deploy. If the car that did the damage was only doing 15 at the time of impact, then this is below the threshold for deployment. Perhaps my numbers are a bit out of whack, but the idea is still true -- it takes a certain impact to deploy the airbags, and if the impact is below the threshold then the bags will remain intact.
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