and incase u dont know, (as if u didnt know where the spark plugs are then u prob dont know wot are the coilpacks) they are the 4 black things on the top of the engine underneath all the valves an rubber hoses on the top on the ibiza engine
 
Just noticed that your local to me. I'm live in Wisbech and never see any Cupras round here, so I'll keep an eye out for you.