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      10-16-2010, 05:11 PM   #10
Robert
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Drives: 135i, current is350
Join Date: Aug 2005
Location: Socal

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Interesting. Doesn't heat cycling reduces ductility in steel or increases brittleness? Wonder what's the trade off BMW engineer was willing to accept. Thank for the informative video. I learned quite a bit. However as any marketing video it only provides 1 sided story. Of course there is a tradeoff between weight and safety. In this case the tradeoff may be neglect-able for intended purpose but it must be minuscule, to the 10^-6 decimal point because when BMW is producing a million car a year. If not it means BMW produces one unsafe car a year :P
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Last edited by Robert; 10-16-2010 at 05:34 PM.
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