I can't find the weight for a MK5
But a MK6 Golf GTi DSG front Axle weight is 1060kg. So assuming it is the same i would say yes just
See here
[pdf]http://www.volkswagen.co.uk/assets/common/pdf/brochures/golf-gti-brochure.pdf[/pdf]
Edit: A MK5 Edition 30 DSG is 1050Kg so yes you will be fine
[pdf]http://www.volkswizard.co.uk/images/cars/ed30/golf_gti_edition_30_brochure.pdf[/pdf]