Well, my experience is different 
When you go 35nm + 90deg, you can continue turning the bolt before you hit 80nm. I am sure this is the stretch in the standard bolt. That's why I use 12.9s. I wonder why Audi changed to 12mm bolts and more tightening torque on the later cars?

When you go 35nm + 90deg, you can continue turning the bolt before you hit 80nm. I am sure this is the stretch in the standard bolt. That's why I use 12.9s. I wonder why Audi changed to 12mm bolts and more tightening torque on the later cars?
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