Front lower arms... Am I missing something?

[B4-Andy]

Audi love a stretch bolt. Every Audi I have ever worked on had stretch bolts all round the arms so all of the bolts will be replaced as needed. The upright I’m 90% sure wouldn’t hold a magnet? If they are steel and that makes the job easier then that’s fine but I thought the uprights were ally to offset the additional weight in the wheels on the 20”? I may have the wrong end of the stick there!