Projector style fogs are H11, reflector style fogs are HB4.
My 2005 GTI has o.e.m. projector style fogs, they look better, but I guess they are more expensive, so VW replaced them for reflector style fogs on >2006 mk5's.
(Thought axx came with projectors, bwa came with reflectors)
Projector style:
Reflector style: