VXOC Astra-J/GTC

hi everyone just joined oh boy do i need some help ,just purchased new 30 mm lowering springs ,been told by my local garage they cannot fit as you need  a special tool to alter the camber as the astra gtc 1.4 has a renault sport suspension as standard have rang my local vauxhall dealer and they want £285 plus £80 realignment bloodyhell

Loads of people have fitted lowering springs without any issues at all.

You could a a local independent who can do Computerised Wheel Alignment cheaper