thanks guys. you can tell I'm not a mechanic!

I am looking at the OEM Bosch spark plugs with the 4 earthing points. Do you have to set the gap up these or are they pre-set from the supplier?

__________________
E61 525i 2004 M54 Auto
E46 320i 2002 M54 Auto
E46 330i 2003 M54 Sedan Manual