BMW Genuine Fuel Gas Filler Cap Without Lock for 7 Z3 Series E38 740iL 750iL for 740iL 740iLP 750iL 750iLP Z3 2.5 Z3 2.8 Z3 M3.2 BMW Genuine Brand new Gas Cap with seal and tether. part# 16 11 1 184 664, check fit below. Manufacturer Warranty: 12 months / 12000 miles Please see Product Description below for compatible models.