2 X BMW Genuine O-Ring for Oil Filter Housing Cap (7 X 12 mm) for 323i 328i 525i 528i 530i 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi X5 3.0i 525i 530i X3 2.5i X3 3.0i X1 28iX Z4 2.5i Z4 3.0i Z4 28i 528i 528iX 335i Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i 2 X BMW Genuine O-Ring for Oil Filter Housing Cap (7 X 12 mm) BMW Manufacturer Warranty: 12000 miles or 1 year Please see Product Description below for vehicle compatibility.