anyone know if there is a difference between a late 2a(headlamps on wings)radiator panel and an early series 3 one?i need one and there's a series 3 one on ebay but it looks nothing like mine,mine is a very early series 3 and has 2a parts on it,i'm wondering if my panel is 2a.no pics of mine i'm afraid as it is fubar but this is the one for sale.mine didn't/doesn't have the little lumps on the bottom corners.