Same as ainarssems.

I've never over tightened a bolt to the point is snapped.
If I still had my spare hub I would be tempted to see how far standard and aftermarket botls can go.

Why is the torque different for the 20" wheels on an S8? Some S8s had 18" wheels and some of the later A8s had 20" wheels as standard (even my first 2.8 had 20" FE wheels as standard). This is not my area of expertise at all, but I am confused. :Confused:

For now, at least until I'm happy that I can re-fit spacers with confidence, I've taken the spacers off, fitted new discs and am back on the road in my beloved S8 :D (after a day in a mini and a day on the train :().

Can't see anything in ElsaWin about different torque on 20", all it says is 120Nm for regular bolts and 140Nm for security bolt. And 140Nm for all bolts on PAX wheels.

PAX wheels?

I always done security bolts less than recommended cause I'd hate to have to remove them.

Do mine to 120Nm all round and never had an issue - my spacer bolts are identically torqued

http://en.wikipedia.org/wiki/Michelin_PAX_System

O run flats.

Those directions have changed. I see the instructions are for lightly corroded threads. If the bolts are clean, there's no requirement for grease

Workshop manual for my older cars all say no grease.

When I had my old S8, I was told 140nm for the 20" wheels by the dealer. I had a loose wheel incident after using 120

Harping back to my original mishap (wheel coming off on the morway, if you missed it), it reminded me of an old Kenny Rogers song...

...anyone care to make a guess which one? :)

Showing our age Jim, it'll be "Lucille" you're referring to ;)