Well its been two months of sheer bliss, I love my car to bits apart from the wheels. Everyones nightmare. I have been offered a set of alloys, But reading all your helpful pages im still lost. I have taken all the letters & numbers from the wheels to see if one of you can help me. They are BBS Split rims 8 1/2 J x 13 H 2 MAX 5700N RX 507 ET 38. TIRE SIZE 235/40ZR 18. If you can help then thanks.