BMW Genuine Crankcase Vent Hose - Vent Valve to Oil Dip Stick Tube for 525i 528i 530i 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi 525i 530i X3 2.5i X3 3.0i Z4 2.5i Z4 3.0i Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i BMW Genuine Crankcase Vent Hose - Vent Valve to Oil Dip Stick Tube BMW Manufacturer Warranty: 12000 miles or 1 year Please see Product Description below for vehicle compatibility.