2010 E70 AC belt replacement

[pghana66]

Originally Posted by bawareca

I have did that with just a regular tools.M57 nose is like motorsport engines-4 bolts instead of 1 in the center.You can turn it carefully using one of them,but you need a special socket E7 or E8.

thanks for the information. i kept looking for a metal socket with four holes bored out to fit over the entire four bolt nose. did you use a stretch belt installation tool to ride the belt over and onto the pulley?