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      11-19-2012, 08:10 PM   #21
bigjae1976
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Drives: 11 E90 M3 Individual
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2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.25]
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Quote:
Originally Posted by Zoli007 View Post
I have heard several times to not put in fixed back seats in a car which does not have a roll bar.

In the unlikely event you roll over and the roof caves, your spine is the one absorbing the hit. On seats that have a recliner, the recline mechanism can give way and not allow you to become moosh.
I don't believe that. Not an expert but if the roof caves in that much then I have other things to worry about. Plus, you submarine in the seat a little bit too I think. I wouldn't really count on a seat collapsing to save my skull from getting crushed.

I've also heard the top of the seat shouldn't be higher than your head. I think Porsche may put fixed backs in their 911 as an option but I'm not sure. Other exotics to do it, don't they also need to meet US safety standards?
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