anyone lowered there "sport" by 50mm

It will be fine - what size of wheels do you have and what width are they?

I am lowered 45mm all round on coilovers - your 50mm will not be exactly 50mm, more like 30-35mm - its just the way just springs wok
 
It will be fine - what size of wheels do you have and what width are they?

I am lowered 45mm all round on coilovers - your 50mm will not be exactly 50mm, more like 30-35mm - its just the way just springs wok

they 18 inch sline, they geniune alloys which i got from ebay,