HELP - Battling to remove nuts on top of BMW front shocks

[Bushpig]

on top of the front shocks, where they go through the top yoke there is a size 35 (! yip measured it!) nut.
I have tried just about everything to loosen them.
has anyone a trick of the trade?

 

[the_BOBNOB]

 

[Gerard]

 

[Bushpig]

 

[Gerard]

 

[bungycool]

 

[Freak]

 

[Wezzz]

 

[Gerard]

 

[Halfdaft]

 

[Freak]

 

[Mogas]

 

[Freak]

 

[eberhard]

 

[Bushpig]