Of course you can use what you find cheap but in most cases the oems are cheaper. Because not all sellers know that they are expensive and good quality wheels. This Mini wheels weigth 4.9kg (10,8 pounds) per piece 5 1/2"x15 ET 46 5x112. Those mini wheels are the most aerodynamic I have ever seen. Those poles are also very thin so they dont make so much turbulence to inside wheel with the flat discs in place. That set cost 400€ with "new" tires that have 7mm thread depth left.
Fuchsfelge: 36658/36455