BMW OEM Engine Oil Pan Dip stick Dipstick Tube Seal O-Ring for 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi 525i 528i 530i M3 3.2 X3 2.5i X3 3.0i X5 3.0i Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i Z3 M3.2 Z4 2.5i Z4 3.0i Made By D P H O-Ring - Engine Oil Dipstick Tube to Oil Pan (19.5 X 3 mm) Manufacturer Warranty: 12 months or 12000 miles Please see Product Description Below for Vehicle Compatibility