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BMW 3-Series (E90 E92) Forum
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Airbag technology and locations / side impact protection
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04-19-2005, 09:08 PM | #1 |
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Airbag technology and locations / side impact protection
Looks like we'll all be well protected Interesting stuff... BMW now has incremental airbag inflation based on impact severity ("Impact Depending System").
Impact Depending System If the force of an impact exceeds a predetermined threshold, the sensors of the driver and front passenger airbags trigger the inflation of the airbags within a fraction of a second, significantly reducing the risk of cranial and upper body injuries in the event of a head-on collision. The two-level gas generator enables the airbag to be inflated to match the strength of the impact. In a more serious accident, an infinitesimal delay in activation ensures that the airbags inflate with their full force to protect the car's occupants even better. During a less severe collision, inflation is not as instantaneous, meaning that the airbags can cushion the occupants more "gently". In all accidents, the generator's performance is gauged in such a way that nobody in the automobile comes into contact with the steering wheel or instrument panel. The front passenger airbag does not inflate if the passenger seat is empty, reducing the replacement and repairs costs after the accident. Several airbags protect the passengers of a BMW in the event of a collision. The standard-fitting driver and front passenger airbags function according to the Impact-Depending (ID) system, which calculates the danger posed to the driver and front passenger by taking factors such as the strength of the impact into account; the airbag is then inflated the appropriate size. |
04-19-2005, 10:57 PM | #4 |
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155mph - Is that what the e90 is electronically limited to?
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04-20-2005, 02:24 AM | #6 |
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You see there are no rear door airbags! I read where they said the structure in the door is enough protection from a side impact! Heck for a few measly dollars, they should have went the whole 9 yards and fitted the rear door too---it sure as heck wont hurt
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04-20-2005, 06:18 AM | #7 |
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booyah - you're correct, there are diagonal aluminum beams in each door for collision protection. Here's a brief description:
Side Impact Protection In the event of an accident involving a lateral collision, BMW automobiles all possess a highly effective side impact protection system. Diagonal aluminium crossmembers are embedded within each door and are supplemented by door catch hooks. This, combined with the extra-strong locks and hinges, ensures that the doors and side walls are exceptionally strong and stiff. They are ideally suited to prevent outside objects from punching through in the event of a collision from the side. |
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04-20-2005, 06:14 PM | #8 |
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I hate to say this but if you crash any car at 155mph, the odds of surviving are lower than the odds of not.
Best that you not do it, or be careful when you do and know the risks. |
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04-21-2005, 08:11 PM | #9 | |
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04-21-2005, 08:13 PM | #10 | |
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I imagine, however, that if my car is going to get into an accident that bad, the insurance company would total the thing anyway. So, what's the difference? |
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