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Old 2nd May 2018, 03:03 PM
GlynH GlynH is offline
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Join Date: Jan 2009
Location: Oxfordshire
Posts: 234
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Sorry for resurrecting an old thread but reading posts on here it seems that the 'box fitted to the D4 is the ZF 8HP55?

Looking on Wikipedia at the entry for this very box it lists the maximum petrol/diesel torque for the various 8HP gearboxes but something can't be right here surely?

https://en.wikipedia.org/wiki/ZF_8HP...F_8HP_variants

Looking down the page at the list of ZF 8HP Variants it lists the 8HP55 as being fitted to the A8/A8L D4 along with Q5/Q7 but looking at the maximum torque of 550Nm is wrong surely?

My 2011 pre-facelift D4 produced a standard 800Nm and the 2014 Facelift generates 850Nm of torque which is way above the maximum torque limit listed!

My 2011 was remapped to give 415BHP and 966Nm of torque and a couple of friends of mine have had their S8's remapped to 668BHP/945Nm and 705BHP/1014Nm respectively.

Here's hoping that the torque values listed on Wiki are just plain wrong...

Or am I overthinking things again...

-=Glyn=-
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