I have a full set of 18 inch OZ Superturismo Alloy Wheels and Tyres on sale through ebay: The tyres are nearly new Michelin PS3. The wheels are 5x100 ET48. The wheels weigh approximately 9.5kg each.
http://www.ebay.co.uk/itm/4X18-inch-alloy-wheels-OZ-Superturismo-LM-with-nearly-new-Michelin-PS3-Tyres-/282527220438?hash=item41c7ef42d6:g:NucAAOSwvflZQpIQ