A4 (B8 Platform) Discussion Discussion forum for the B8 Audi A4 produced from 2008.5

torsional rigidity numbers on B8 chassis? different for S4?

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Old 12-27-2010, 07:12 PM
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Default torsional rigidity numbers on B8 chassis? different for S4?

I was wondering what the torsional ridigity is for the B8 platform, measured in Nm/deg. On a new BMW 3 series sedan (e90) without folding rear seats, it's about 22,000 Nm/deg. Is there additional chassis bracing in an S4 over a regular B8 A4?
Old 12-28-2010, 06:59 AM
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Originally Posted by westwest888
I was wondering what the torsional ridigity is for the B8 platform, measured in Nm/deg. On a new BMW 3 series sedan (e90) without folding rear seats, it's about 22,000 Nm/deg. Is there additional chassis bracing in an S4 over a regular B8 A4?
Don't know - you might consider sending an email auditalk at audi.com - they have been helpful with some technical details in the past for me.
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