brake calliper

[TURBOTRONICS]

im changing the front discs and pads on my s4 tomorrow but im sure iv seen it on the internet some where that you need an 11mm alan key but for the life of my i carnt fined info any where now
can any one confirm this for me please

 

[gavsman]

Hope this helps: Audi B6/B7 S4 DIY: Front Brakes and Rotors